170409850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{641}}^1$

素因数の和:1075

約数の個数: 48

約数和(自身を含む): 342712440

約数和(自身を除く): 172302590

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 409, 641, 650, 818, 1282, 2045, 3205, 4090, 5317, 6410, 8333, 10225, 10634, 16025, 16666, 20450, 26585, 32050, 41665, 53170, 83330, 132925, 208325, 262169, 265850, 416650, 524338, 1310845, 2621690, 3408197, 6554225, 6816394, 13108450, 17040985, 34081970, 85204925, 170409850]

約数ペア:

[(1, 170409850), (2, 85204925), (5, 34081970), (10, 17040985), (13, 13108450), (25, 6816394), (26, 6554225), (50, 3408197), (65, 2621690), (130, 1310845), (325, 524338), (409, 416650), (641, 265850), (650, 262169), (818, 208325), (1282, 132925), (2045, 83330), (3205, 53170), (4090, 41665), (5317, 32050), (6410, 26585), (8333, 20450), (10225, 16666), (10634, 16025)]