290254910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{90989}}^1$

素因数の和:91036

約数の個数: 32

約数和(自身を含む): 589615200

約数和(自身を除く): 299360290

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 90989, 181978, 454945, 909890, 1000879, 2001758, 2638681, 5004395, 5277362, 10008790, 13193405, 26386810, 29025491, 58050982, 145127455, 290254910]

約数ペア:

[(1, 290254910), (2, 145127455), (5, 58050982), (10, 29025491), (11, 26386810), (22, 13193405), (29, 10008790), (55, 5277362), (58, 5004395), (110, 2638681), (145, 2001758), (290, 1000879), (319, 909890), (638, 454945), (1595, 181978), (3190, 90989)]