4909090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 9517824

約数和(自身を除く): 4608734

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 431, 670, 862, 1139, 2155, 2278, 4310, 5695, 7327, 11390, 14654, 28877, 36635, 57754, 73270, 144385, 288770, 490909, 981818, 2454545, 4909090]

約数ペア:

[(1, 4909090), (2, 2454545), (5, 981818), (10, 490909), (17, 288770), (34, 144385), (67, 73270), (85, 57754), (134, 36635), (170, 28877), (335, 14654), (431, 11390), (670, 7327), (862, 5695), (1139, 4310), (2155, 2278)]