329985220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{3907}}^1$

素因数の和:4060

約数の個数: 48

約数和(自身を含む): 716946048

約数和(自身を除く): 386960828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 103, 164, 205, 206, 410, 412, 515, 820, 1030, 2060, 3907, 4223, 7814, 8446, 15628, 16892, 19535, 21115, 39070, 42230, 78140, 84460, 160187, 320374, 402421, 640748, 800935, 804842, 1601870, 1609684, 2012105, 3203740, 4024210, 8048420, 16499261, 32998522, 65997044, 82496305, 164992610, 329985220]

約数ペア:

[(1, 329985220), (2, 164992610), (4, 82496305), (5, 65997044), (10, 32998522), (20, 16499261), (41, 8048420), (82, 4024210), (103, 3203740), (164, 2012105), (205, 1609684), (206, 1601870), (410, 804842), (412, 800935), (515, 640748), (820, 402421), (1030, 320374), (2060, 160187), (3907, 84460), (4223, 78140), (7814, 42230), (8446, 39070), (15628, 21115), (16892, 19535)]