1649364920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 256

約数和(自身を含む): 4705689600

約数和(自身を除く): 3056324680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 73, 76, 95, 124, 133, 137, 140, 146, 152, 155, 190, 217, 248, 266, 274, 280, 292, 310, 365, 380, 434, 511, 532, 548, 584, 589, 620, 665, 685, 730, 760, 868, 959, 1022, 1064, 1085, 1096, 1178, 1240, 1330, 1370, 1387, 1460, 1736, 1918, 2044, 2170, 2263, 2356, 2555, 2603, 2660, 2740, 2774, 2920, 2945, 3836, 4088, 4123, 4247, 4340, 4526, 4712, 4795, 5110, 5206, 5320, 5480, 5548, 5890, 6935, 7672, 8246, 8494, 8680, 9052, 9590, 9709, 10001, 10220, 10412, 11096, 11315, 11780, 13015, 13870, 15841, 16492, 16988, 18104, 18221, 19180, 19418, 20002, 20440, 20615, 20824, 21235, 22630, 23560, 26030, 27740, 29729, 31682, 32984, 33976, 36442, 38360, 38836, 40004, 41230, 42470, 42997, 45260, 48545, 50005, 52060, 55480, 59458, 63364, 70007, 72884, 77672, 79205, 80008, 80693, 82460, 84940, 85994, 90520, 91105, 97090, 100010, 104120, 118916, 126728, 140014, 145768, 148645, 158410, 161386, 164920, 169880, 171988, 182210, 190019, 194180, 200020, 214985, 237832, 280028, 297290, 300979, 310031, 316820, 322772, 343976, 350035, 364420, 380038, 388360, 400040, 403465, 429970, 560056, 564851, 594580, 601958, 620062, 633640, 645544, 700070, 728840, 760076, 806930, 859940, 950095, 1129702, 1189160, 1203916, 1240124, 1330133, 1400140, 1504895, 1520152, 1550155, 1613860, 1719880, 1900190, 2170217, 2259404, 2407832, 2480248, 2660266, 2800280, 2824255, 3009790, 3100310, 3227720, 3800380, 4340434, 4518808, 5320532, 5648510, 5890589, 6019580, 6200620, 6650665, 7600760, 8680868, 10641064, 10851085, 11297020, 11781178, 12039160, 12401240, 13301330, 17361736, 21702170, 22594040, 23562356, 26602660, 29452945, 41234123, 43404340, 47124712, 53205320, 58905890, 82468246, 86808680, 117811780, 164936492, 206170615, 235623560, 329872984, 412341230, 824682460, 1649364920]

約数ペア:

[(1, 1649364920), (2, 824682460), (4, 412341230), (5, 329872984), (7, 235623560), (8, 206170615), (10, 164936492), (14, 117811780), (19, 86808680), (20, 82468246), (28, 58905890), (31, 53205320), (35, 47124712), (38, 43404340), (40, 41234123), (56, 29452945), (62, 26602660), (70, 23562356), (73, 22594040), (76, 21702170), (95, 17361736), (124, 13301330), (133, 12401240), (137, 12039160), (140, 11781178), (146, 11297020), (152, 10851085), (155, 10641064), (190, 8680868), (217, 7600760), (248, 6650665), (266, 6200620), (274, 6019580), (280, 5890589), (292, 5648510), (310, 5320532), (365, 4518808), (380, 4340434), (434, 3800380), (511, 3227720), (532, 3100310), (548, 3009790), (584, 2824255), (589, 2800280), (620, 2660266), (665, 2480248), (685, 2407832), (730, 2259404), (760, 2170217), (868, 1900190), (959, 1719880), (1022, 1613860), (1064, 1550155), (1085, 1520152), (1096, 1504895), (1178, 1400140), (1240, 1330133), (1330, 1240124), (1370, 1203916), (1387, 1189160), (1460, 1129702), (1736, 950095), (1918, 859940), (2044, 806930), (2170, 760076), (2263, 728840), (2356, 700070), (2555, 645544), (2603, 633640), (2660, 620062), (2740, 601958), (2774, 594580), (2920, 564851), (2945, 560056), (3836, 429970), (4088, 403465), (4123, 400040), (4247, 388360), (4340, 380038), (4526, 364420), (4712, 350035), (4795, 343976), (5110, 322772), (5206, 316820), (5320, 310031), (5480, 300979), (5548, 297290), (5890, 280028), (6935, 237832), (7672, 214985), (8246, 200020), (8494, 194180), (8680, 190019), (9052, 182210), (9590, 171988), (9709, 169880), (10001, 164920), (10220, 161386), (10412, 158410), (11096, 148645), (11315, 145768), (11780, 140014), (13015, 126728), (13870, 118916), (15841, 104120), (16492, 100010), (16988, 97090), (18104, 91105), (18221, 90520), (19180, 85994), (19418, 84940), (20002, 82460), (20440, 80693), (20615, 80008), (20824, 79205), (21235, 77672), (22630, 72884), (23560, 70007), (26030, 63364), (27740, 59458), (29729, 55480), (31682, 52060), (32984, 50005), (33976, 48545), (36442, 45260), (38360, 42997), (38836, 42470), (40004, 41230)]