210320630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{4159}}^1$

素因数の和:4568

約数の個数: 32

約数和(自身を含む): 408844800

約数和(自身を除く): 198524170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 1945, 3890, 4159, 5057, 8318, 10114, 20795, 25285, 41590, 50570, 54067, 108134, 270335, 540670, 1617851, 3235702, 8089255, 16178510, 21032063, 42064126, 105160315, 210320630]

約数ペア:

[(1, 210320630), (2, 105160315), (5, 42064126), (10, 21032063), (13, 16178510), (26, 8089255), (65, 3235702), (130, 1617851), (389, 540670), (778, 270335), (1945, 108134), (3890, 54067), (4159, 50570), (5057, 41590), (8318, 25285), (10114, 20795)]