207848680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9749}}^1$

素因数の和:9814

約数の個数: 64

約数和(自身を含む): 515970000

約数和(自身を除く): 308121320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 4264, 5330, 9749, 10660, 19498, 21320, 38996, 48745, 77992, 97490, 126737, 194980, 253474, 389960, 399709, 506948, 633685, 799418, 1013896, 1267370, 1598836, 1998545, 2534740, 3197672, 3997090, 5069480, 5196217, 7994180, 10392434, 15988360, 20784868, 25981085, 41569736, 51962170, 103924340, 207848680]

約数ペア:

[(1, 207848680), (2, 103924340), (4, 51962170), (5, 41569736), (8, 25981085), (10, 20784868), (13, 15988360), (20, 10392434), (26, 7994180), (40, 5196217), (41, 5069480), (52, 3997090), (65, 3197672), (82, 2534740), (104, 1998545), (130, 1598836), (164, 1267370), (205, 1013896), (260, 799418), (328, 633685), (410, 506948), (520, 399709), (533, 389960), (820, 253474), (1066, 194980), (1640, 126737), (2132, 97490), (2665, 77992), (4264, 48745), (5330, 38996), (9749, 21320), (10660, 19498)]