119749580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 256095840

約数和(自身を除く): 136346260

約数列:

[1, 2, 4, 5, 10, 20, 109, 163, 218, 326, 337, 436, 545, 652, 674, 815, 1090, 1348, 1630, 1685, 2180, 3260, 3370, 6740, 17767, 35534, 36733, 54931, 71068, 73466, 88835, 109862, 146932, 177670, 183665, 219724, 274655, 355340, 367330, 549310, 734660, 1098620, 5987479, 11974958, 23949916, 29937395, 59874790, 119749580]

約数ペア:

[(1, 119749580), (2, 59874790), (4, 29937395), (5, 23949916), (10, 11974958), (20, 5987479), (109, 1098620), (163, 734660), (218, 549310), (326, 367330), (337, 355340), (436, 274655), (545, 219724), (652, 183665), (674, 177670), (815, 146932), (1090, 109862), (1348, 88835), (1630, 73466), (1685, 71068), (2180, 54931), (3260, 36733), (3370, 35534), (6740, 17767)]