210909260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{198971}}^1$

素因数の和:199033

約数の個数: 24

約数和(自身を含む): 451268496

約数和(自身を除く): 240359236

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 198971, 397942, 795884, 994855, 1989710, 3979420, 10545463, 21090926, 42181852, 52727315, 105454630, 210909260]

約数ペア:

[(1, 210909260), (2, 105454630), (4, 52727315), (5, 42181852), (10, 21090926), (20, 10545463), (53, 3979420), (106, 1989710), (212, 994855), (265, 795884), (530, 397942), (1060, 198971)]