205647270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{86771}}^1$

素因数の和:86860

約数の個数: 32

約数和(自身を含む): 499806720

約数和(自身を除く): 294159450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 86771, 173542, 260313, 433855, 520626, 867710, 1301565, 2603130, 6854909, 13709818, 20564727, 34274545, 41129454, 68549090, 102823635, 205647270]

約数ペア:

[(1, 205647270), (2, 102823635), (3, 68549090), (5, 41129454), (6, 34274545), (10, 20564727), (15, 13709818), (30, 6854909), (79, 2603130), (158, 1301565), (237, 867710), (395, 520626), (474, 433855), (790, 260313), (1185, 173542), (2370, 86771)]