15200390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 13000570

約数列:

[1, 2, 5, 10, 71, 79, 142, 158, 271, 355, 395, 542, 710, 790, 1355, 2710, 5609, 11218, 19241, 21409, 28045, 38482, 42818, 56090, 96205, 107045, 192410, 214090, 1520039, 3040078, 7600195, 15200390]

約数ペア:

[(1, 15200390), (2, 7600195), (5, 3040078), (10, 1520039), (71, 214090), (79, 192410), (142, 107045), (158, 96205), (271, 56090), (355, 42818), (395, 38482), (542, 28045), (710, 21409), (790, 19241), (1355, 11218), (2710, 5609)]