289463480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2999}}^1$

素因数の和:3156

約数の個数: 64

約数和(自身を含む): 691200000

約数和(自身を除く): 401736520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 254, 380, 508, 635, 760, 1016, 1270, 2413, 2540, 2999, 4826, 5080, 5998, 9652, 11996, 12065, 14995, 19304, 23992, 24130, 29990, 48260, 56981, 59980, 96520, 113962, 119960, 227924, 284905, 380873, 455848, 569810, 761746, 1139620, 1523492, 1904365, 2279240, 3046984, 3808730, 7236587, 7617460, 14473174, 15234920, 28946348, 36182935, 57892696, 72365870, 144731740, 289463480]

約数ペア:

[(1, 289463480), (2, 144731740), (4, 72365870), (5, 57892696), (8, 36182935), (10, 28946348), (19, 15234920), (20, 14473174), (38, 7617460), (40, 7236587), (76, 3808730), (95, 3046984), (127, 2279240), (152, 1904365), (190, 1523492), (254, 1139620), (380, 761746), (508, 569810), (635, 455848), (760, 380873), (1016, 284905), (1270, 227924), (2413, 119960), (2540, 113962), (2999, 96520), (4826, 59980), (5080, 56981), (5998, 48260), (9652, 29990), (11996, 24130), (12065, 23992), (14995, 19304)]