560894380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1\times {\mathrm{563}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 1193401440

約数和(自身を除く): 632507060

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 457, 545, 563, 914, 1090, 1126, 1828, 2180, 2252, 2285, 2815, 4570, 5630, 9140, 11260, 49813, 61367, 99626, 122734, 199252, 245468, 249065, 257291, 306835, 498130, 514582, 613670, 996260, 1029164, 1227340, 1286455, 2572910, 5145820, 28044719, 56089438, 112178876, 140223595, 280447190, 560894380]

約数ペア:

[(1, 560894380), (2, 280447190), (4, 140223595), (5, 112178876), (10, 56089438), (20, 28044719), (109, 5145820), (218, 2572910), (436, 1286455), (457, 1227340), (545, 1029164), (563, 996260), (914, 613670), (1090, 514582), (1126, 498130), (1828, 306835), (2180, 257291), (2252, 249065), (2285, 245468), (2815, 199252), (4570, 122734), (5630, 99626), (9140, 61367), (11260, 49813)]