400049210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1019}}^1$

素因数の和:1163

約数の個数: 64

約数和(自身を含む): 814302720

約数和(自身を除く): 414253510

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 83, 86, 110, 166, 215, 415, 430, 473, 830, 913, 946, 1019, 1826, 2038, 2365, 3569, 4565, 4730, 5095, 7138, 9130, 10190, 11209, 17845, 22418, 35690, 39259, 43817, 56045, 78518, 84577, 87634, 112090, 169154, 196295, 219085, 392590, 422885, 438170, 481987, 845770, 930347, 963974, 1860694, 2409935, 3636811, 4651735, 4819870, 7273622, 9303470, 18184055, 36368110, 40004921, 80009842, 200024605, 400049210]

約数ペア:

[(1, 400049210), (2, 200024605), (5, 80009842), (10, 40004921), (11, 36368110), (22, 18184055), (43, 9303470), (55, 7273622), (83, 4819870), (86, 4651735), (110, 3636811), (166, 2409935), (215, 1860694), (415, 963974), (430, 930347), (473, 845770), (830, 481987), (913, 438170), (946, 422885), (1019, 392590), (1826, 219085), (2038, 196295), (2365, 169154), (3569, 112090), (4565, 87634), (4730, 84577), (5095, 78518), (7138, 56045), (9130, 43817), (10190, 39259), (11209, 35690), (17845, 22418)]