490120540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 288

約数和(自身を含む): 1428585984

約数和(自身を除く): 938465444

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 31, 34, 35, 49, 52, 62, 65, 68, 70, 73, 85, 91, 98, 119, 124, 130, 140, 146, 155, 170, 182, 196, 217, 221, 238, 245, 260, 292, 310, 340, 364, 365, 403, 434, 442, 455, 476, 490, 511, 527, 595, 620, 637, 730, 806, 833, 868, 884, 910, 949, 980, 1022, 1054, 1085, 1105, 1190, 1241, 1274, 1460, 1519, 1547, 1612, 1666, 1820, 1898, 2015, 2044, 2108, 2170, 2210, 2263, 2380, 2482, 2548, 2555, 2635, 2821, 3038, 3094, 3185, 3332, 3577, 3689, 3796, 4030, 4165, 4340, 4420, 4526, 4745, 4964, 5110, 5270, 5642, 6076, 6188, 6205, 6370, 6643, 6851, 7154, 7378, 7595, 7735, 8060, 8330, 8687, 9052, 9490, 10220, 10540, 10829, 11284, 11315, 12410, 12740, 13286, 13702, 14105, 14308, 14756, 15190, 15470, 15841, 16133, 16660, 17374, 17885, 18445, 18980, 19747, 21658, 22630, 24820, 25823, 26572, 27404, 28210, 29419, 30380, 30940, 31682, 32266, 33215, 34255, 34748, 35770, 36890, 38471, 39494, 43316, 43435, 45260, 46501, 47957, 51646, 54145, 56420, 58838, 60809, 63364, 64532, 66430, 68510, 71540, 73780, 76942, 78988, 79205, 80665, 86870, 93002, 95914, 98735, 103292, 108290, 110887, 112931, 117676, 121618, 129115, 132860, 137020, 147095, 153884, 158410, 161330, 173740, 186004, 191828, 192355, 197470, 205933, 216580, 221774, 225862, 232505, 239785, 243236, 258230, 269297, 294190, 304045, 316820, 322660, 335699, 384710, 394940, 411866, 443548, 451724, 465010, 479570, 500123, 516460, 538594, 554435, 564655, 588380, 608090, 671398, 769420, 790517, 823732, 930020, 959140, 1000246, 1029665, 1077188, 1108870, 1129310, 1216180, 1342796, 1346485, 1441531, 1581034, 1678495, 1885079, 2000492, 2059330, 2217740, 2258620, 2500615, 2692970, 2883062, 3162068, 3356990, 3500861, 3770158, 3952585, 4118660, 5001230, 5385940, 5766124, 6713980, 7001722, 7207655, 7540316, 7905170, 9425395, 10002460, 14003444, 14415310, 15810340, 17504305, 18850790, 24506027, 28830620, 35008610, 37701580, 49012054, 70017220, 98024108, 122530135, 245060270, 490120540]

約数ペア:

[(1, 490120540), (2, 245060270), (4, 122530135), (5, 98024108), (7, 70017220), (10, 49012054), (13, 37701580), (14, 35008610), (17, 28830620), (20, 24506027), (26, 18850790), (28, 17504305), (31, 15810340), (34, 14415310), (35, 14003444), (49, 10002460), (52, 9425395), (62, 7905170), (65, 7540316), (68, 7207655), (70, 7001722), (73, 6713980), (85, 5766124), (91, 5385940), (98, 5001230), (119, 4118660), (124, 3952585), (130, 3770158), (140, 3500861), (146, 3356990), (155, 3162068), (170, 2883062), (182, 2692970), (196, 2500615), (217, 2258620), (221, 2217740), (238, 2059330), (245, 2000492), (260, 1885079), (292, 1678495), (310, 1581034), (340, 1441531), (364, 1346485), (365, 1342796), (403, 1216180), (434, 1129310), (442, 1108870), (455, 1077188), (476, 1029665), (490, 1000246), (511, 959140), (527, 930020), (595, 823732), (620, 790517), (637, 769420), (730, 671398), (806, 608090), (833, 588380), (868, 564655), (884, 554435), (910, 538594), (949, 516460), (980, 500123), (1022, 479570), (1054, 465010), (1085, 451724), (1105, 443548), (1190, 411866), (1241, 394940), (1274, 384710), (1460, 335699), (1519, 322660), (1547, 316820), (1612, 304045), (1666, 294190), (1820, 269297), (1898, 258230), (2015, 243236), (2044, 239785), (2108, 232505), (2170, 225862), (2210, 221774), (2263, 216580), (2380, 205933), (2482, 197470), (2548, 192355), (2555, 191828), (2635, 186004), (2821, 173740), (3038, 161330), (3094, 158410), (3185, 153884), (3332, 147095), (3577, 137020), (3689, 132860), (3796, 129115), (4030, 121618), (4165, 117676), (4340, 112931), (4420, 110887), (4526, 108290), (4745, 103292), (4964, 98735), (5110, 95914), (5270, 93002), (5642, 86870), (6076, 80665), (6188, 79205), (6205, 78988), (6370, 76942), (6643, 73780), (6851, 71540), (7154, 68510), (7378, 66430), (7595, 64532), (7735, 63364), (8060, 60809), (8330, 58838), (8687, 56420), (9052, 54145), (9490, 51646), (10220, 47957), (10540, 46501), (10829, 45260), (11284, 43435), (11315, 43316), (12410, 39494), (12740, 38471), (13286, 36890), (13702, 35770), (14105, 34748), (14308, 34255), (14756, 33215), (15190, 32266), (15470, 31682), (15841, 30940), (16133, 30380), (16660, 29419), (17374, 28210), (17885, 27404), (18445, 26572), (18980, 25823), (19747, 24820), (21658, 22630)]