128514883940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{29921}}^1$

素因数の和:30165

約数の個数: 96

約数和(自身を含む): 289549209600

約数和(自身を除く): 161034325660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 127, 178, 190, 254, 356, 380, 445, 508, 635, 890, 1270, 1691, 1780, 2413, 2540, 3382, 4826, 6764, 8455, 9652, 11303, 12065, 16910, 22606, 24130, 29921, 33820, 45212, 48260, 56515, 59842, 113030, 119684, 149605, 214757, 226060, 299210, 429514, 568499, 598420, 859028, 1073785, 1136998, 2147570, 2273996, 2662969, 2842495, 3799967, 4295140, 5325938, 5684990, 7599934, 10651876, 11369980, 13314845, 15199868, 18999835, 26629690, 37999670, 50596411, 53259380, 72199373, 75999340, 101192822, 144398746, 202385644, 252982055, 288797492, 338197063, 360996865, 505964110, 676394126, 721993730, 1011928220, 1352788252, 1443987460, 1690985315, 3381970630, 6425744197, 6763941260, 12851488394, 25702976788, 32128720985, 64257441970, 128514883940]

約数ペア:

[(1, 128514883940), (2, 64257441970), (4, 32128720985), (5, 25702976788), (10, 12851488394), (19, 6763941260), (20, 6425744197), (38, 3381970630), (76, 1690985315), (89, 1443987460), (95, 1352788252), (127, 1011928220), (178, 721993730), (190, 676394126), (254, 505964110), (356, 360996865), (380, 338197063), (445, 288797492), (508, 252982055), (635, 202385644), (890, 144398746), (1270, 101192822), (1691, 75999340), (1780, 72199373), (2413, 53259380), (2540, 50596411), (3382, 37999670), (4826, 26629690), (6764, 18999835), (8455, 15199868), (9652, 13314845), (11303, 11369980), (12065, 10651876), (16910, 7599934), (22606, 5684990), (24130, 5325938), (29921, 4295140), (33820, 3799967), (45212, 2842495), (48260, 2662969), (56515, 2273996), (59842, 2147570), (113030, 1136998), (119684, 1073785), (149605, 859028), (214757, 598420), (226060, 568499), (299210, 429514)]