388634020

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{34031}}^1$

素因数の和:34611

約数の個数: 24

約数和(自身を含む): 817584768

約数和(自身を除く): 428950748

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 34031, 68062, 136124, 170155, 340310, 680620, 19431701, 38863402, 77726804, 97158505, 194317010, 388634020]

約数ペア:

[(1, 388634020), (2, 194317010), (4, 97158505), (5, 77726804), (10, 38863402), (20, 19431701), (571, 680620), (1142, 340310), (2284, 170155), (2855, 136124), (5710, 68062), (11420, 34031)]