163923740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{4649}}^1$

素因数の和:4742

約数の個数: 48

約数和(自身を含む): 360914400

約数和(自身を除く): 196990660

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 4649, 7052, 8815, 9298, 17630, 18596, 23245, 35260, 46490, 92980, 190609, 199907, 381218, 399814, 762436, 799628, 953045, 999535, 1906090, 1999070, 3812180, 3998140, 8196187, 16392374, 32784748, 40980935, 81961870, 163923740]

約数ペア:

[(1, 163923740), (2, 81961870), (4, 40980935), (5, 32784748), (10, 16392374), (20, 8196187), (41, 3998140), (43, 3812180), (82, 1999070), (86, 1906090), (164, 999535), (172, 953045), (205, 799628), (215, 762436), (410, 399814), (430, 381218), (820, 199907), (860, 190609), (1763, 92980), (3526, 46490), (4649, 35260), (7052, 23245), (8815, 18596), (9298, 17630)]