409899020

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{57089}}^1$

素因数の和:57457

約数の個数: 24

約数和(自身を含む): 863200800

約数和(自身を除く): 453301780

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 57089, 114178, 228356, 285445, 570890, 1141780, 20494951, 40989902, 81979804, 102474755, 204949510, 409899020]

約数ペア:

[(1, 409899020), (2, 204949510), (4, 102474755), (5, 81979804), (10, 40989902), (20, 20494951), (359, 1141780), (718, 570890), (1436, 285445), (1795, 228356), (3590, 114178), (7180, 57089)]