149905660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{5581}}^1$

素因数の和:5686

約数の個数: 48

約数和(自身を含む): 337599360

約数和(自身を除く): 187693700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2686, 5372, 5581, 6715, 11162, 13430, 22324, 26860, 27905, 55810, 94877, 111620, 189754, 379508, 440899, 474385, 881798, 948770, 1763596, 1897540, 2204495, 4408990, 7495283, 8817980, 14990566, 29981132, 37476415, 74952830, 149905660]

約数ペア:

[(1, 149905660), (2, 74952830), (4, 37476415), (5, 29981132), (10, 14990566), (17, 8817980), (20, 7495283), (34, 4408990), (68, 2204495), (79, 1897540), (85, 1763596), (158, 948770), (170, 881798), (316, 474385), (340, 440899), (395, 379508), (790, 189754), (1343, 111620), (1580, 94877), (2686, 55810), (5372, 27905), (5581, 26860), (6715, 22324), (11162, 13430)]