2000956880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{773}}^1$

素因数の和:949

約数の個数: 160

約数和(自身を含む): 5320909440

約数和(自身を除く): 3319952560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 131, 152, 190, 208, 247, 260, 262, 304, 380, 494, 520, 524, 655, 760, 773, 988, 1040, 1048, 1235, 1310, 1520, 1546, 1703, 1976, 2096, 2470, 2489, 2620, 3092, 3406, 3865, 3952, 4940, 4978, 5240, 6184, 6812, 7730, 8515, 9880, 9956, 10049, 10480, 12368, 12445, 13624, 14687, 15460, 17030, 19760, 19912, 20098, 24890, 27248, 29374, 30920, 32357, 34060, 39824, 40196, 49780, 50245, 58748, 61840, 64714, 68120, 73435, 80392, 99560, 100490, 101263, 117496, 129428, 136240, 146870, 160784, 161785, 190931, 199120, 200980, 202526, 234992, 258856, 293740, 323570, 381862, 401960, 405052, 506315, 517712, 587480, 647140, 763724, 803920, 810104, 954655, 1012630, 1174960, 1294280, 1316419, 1527448, 1620208, 1909310, 1923997, 2025260, 2588560, 2632838, 3054896, 3818620, 3847994, 4050520, 5265676, 6582095, 7637240, 7695988, 8101040, 9619985, 10531352, 13164190, 15274480, 15391976, 19239970, 21062704, 25011961, 26328380, 30783952, 38479940, 50023922, 52656760, 76959880, 100047844, 105313520, 125059805, 153919760, 200095688, 250119610, 400191376, 500239220, 1000478440, 2000956880]

約数ペア:

[(1, 2000956880), (2, 1000478440), (4, 500239220), (5, 400191376), (8, 250119610), (10, 200095688), (13, 153919760), (16, 125059805), (19, 105313520), (20, 100047844), (26, 76959880), (38, 52656760), (40, 50023922), (52, 38479940), (65, 30783952), (76, 26328380), (80, 25011961), (95, 21062704), (104, 19239970), (130, 15391976), (131, 15274480), (152, 13164190), (190, 10531352), (208, 9619985), (247, 8101040), (260, 7695988), (262, 7637240), (304, 6582095), (380, 5265676), (494, 4050520), (520, 3847994), (524, 3818620), (655, 3054896), (760, 2632838), (773, 2588560), (988, 2025260), (1040, 1923997), (1048, 1909310), (1235, 1620208), (1310, 1527448), (1520, 1316419), (1546, 1294280), (1703, 1174960), (1976, 1012630), (2096, 954655), (2470, 810104), (2489, 803920), (2620, 763724), (3092, 647140), (3406, 587480), (3865, 517712), (3952, 506315), (4940, 405052), (4978, 401960), (5240, 381862), (6184, 323570), (6812, 293740), (7730, 258856), (8515, 234992), (9880, 202526), (9956, 200980), (10049, 199120), (10480, 190931), (12368, 161785), (12445, 160784), (13624, 146870), (14687, 136240), (15460, 129428), (17030, 117496), (19760, 101263), (19912, 100490), (20098, 99560), (24890, 80392), (27248, 73435), (29374, 68120), (30920, 64714), (32357, 61840), (34060, 58748), (39824, 50245), (40196, 49780)]