388976620

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{34061}}^1$

素因数の和:34641

約数の個数: 24

約数和(自身を含む): 818305488

約数和(自身を除く): 429328868

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 34061, 68122, 136244, 170305, 340610, 681220, 19448831, 38897662, 77795324, 97244155, 194488310, 388976620]

約数ペア:

[(1, 388976620), (2, 194488310), (4, 97244155), (5, 77795324), (10, 38897662), (20, 19448831), (571, 681220), (1142, 340610), (2284, 170305), (2855, 136244), (5710, 68122), (11420, 34061)]