205534420

素因数分解:

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

素因数の和:139

約数の個数: 216

約数和(自身を含む): 583551864

約数和(自身を除く): 378017444

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 49, 52, 65, 68, 70, 73, 85, 91, 98, 119, 130, 140, 146, 169, 170, 182, 196, 221, 238, 245, 260, 292, 338, 340, 364, 365, 442, 455, 476, 490, 511, 595, 637, 676, 730, 833, 845, 884, 910, 949, 980, 1022, 1105, 1183, 1190, 1241, 1274, 1460, 1547, 1666, 1690, 1820, 1898, 2044, 2210, 2366, 2380, 2482, 2548, 2555, 2873, 3094, 3185, 3332, 3380, 3577, 3796, 4165, 4420, 4732, 4745, 4964, 5110, 5746, 5915, 6188, 6205, 6370, 6643, 7154, 7735, 8281, 8330, 8687, 9490, 10220, 10829, 11492, 11830, 12337, 12410, 12740, 13286, 14308, 14365, 15470, 16133, 16562, 16660, 17374, 17885, 18980, 20111, 21658, 23660, 24674, 24820, 26572, 28730, 30940, 32266, 33124, 33215, 34748, 35770, 40222, 41405, 43316, 43435, 46501, 49348, 54145, 57460, 60809, 61685, 64532, 66430, 71540, 80444, 80665, 82810, 86359, 86870, 93002, 100555, 108290, 112931, 121618, 123370, 132860, 140777, 161330, 165620, 172718, 173740, 186004, 201110, 209729, 216580, 225862, 232505, 243236, 246740, 281554, 304045, 322660, 345436, 402220, 419458, 431795, 451724, 465010, 563108, 564655, 604513, 608090, 703885, 790517, 838916, 863590, 930020, 1048645, 1129310, 1209026, 1216180, 1407770, 1468103, 1581034, 1727180, 2097290, 2258620, 2418052, 2815540, 2936206, 3022565, 3162068, 3952585, 4194580, 5872412, 6045130, 7340515, 7905170, 10276721, 12090260, 14681030, 15810340, 20553442, 29362060, 41106884, 51383605, 102767210, 205534420]

約数ペア:

[(1, 205534420), (2, 102767210), (4, 51383605), (5, 41106884), (7, 29362060), (10, 20553442), (13, 15810340), (14, 14681030), (17, 12090260), (20, 10276721), (26, 7905170), (28, 7340515), (34, 6045130), (35, 5872412), (49, 4194580), (52, 3952585), (65, 3162068), (68, 3022565), (70, 2936206), (73, 2815540), (85, 2418052), (91, 2258620), (98, 2097290), (119, 1727180), (130, 1581034), (140, 1468103), (146, 1407770), (169, 1216180), (170, 1209026), (182, 1129310), (196, 1048645), (221, 930020), (238, 863590), (245, 838916), (260, 790517), (292, 703885), (338, 608090), (340, 604513), (364, 564655), (365, 563108), (442, 465010), (455, 451724), (476, 431795), (490, 419458), (511, 402220), (595, 345436), (637, 322660), (676, 304045), (730, 281554), (833, 246740), (845, 243236), (884, 232505), (910, 225862), (949, 216580), (980, 209729), (1022, 201110), (1105, 186004), (1183, 173740), (1190, 172718), (1241, 165620), (1274, 161330), (1460, 140777), (1547, 132860), (1666, 123370), (1690, 121618), (1820, 112931), (1898, 108290), (2044, 100555), (2210, 93002), (2366, 86870), (2380, 86359), (2482, 82810), (2548, 80665), (2555, 80444), (2873, 71540), (3094, 66430), (3185, 64532), (3332, 61685), (3380, 60809), (3577, 57460), (3796, 54145), (4165, 49348), (4420, 46501), (4732, 43435), (4745, 43316), (4964, 41405), (5110, 40222), (5746, 35770), (5915, 34748), (6188, 33215), (6205, 33124), (6370, 32266), (6643, 30940), (7154, 28730), (7735, 26572), (8281, 24820), (8330, 24674), (8687, 23660), (9490, 21658), (10220, 20111), (10829, 18980), (11492, 17885), (11830, 17374), (12337, 16660), (12410, 16562), (12740, 16133), (13286, 15470), (14308, 14365)]