120890390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1439}}^1$

素因数の和:1748

約数の個数: 32

約数和(自身を含む): 225607680

約数和(自身を除く): 104717290

約数列:

[1, 2, 5, 10, 31, 62, 155, 271, 310, 542, 1355, 1439, 2710, 2878, 7195, 8401, 14390, 16802, 42005, 44609, 84010, 89218, 223045, 389969, 446090, 779938, 1949845, 3899690, 12089039, 24178078, 60445195, 120890390]

約数ペア:

[(1, 120890390), (2, 60445195), (5, 24178078), (10, 12089039), (31, 3899690), (62, 1949845), (155, 779938), (271, 446090), (310, 389969), (542, 223045), (1355, 89218), (1439, 84010), (2710, 44609), (2878, 42005), (7195, 16802), (8401, 14390)]