157047820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 336409920

約数和(自身を除く): 179362100

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 263, 292, 365, 409, 526, 730, 818, 1052, 1315, 1460, 1636, 2045, 2630, 4090, 5260, 8180, 19199, 29857, 38398, 59714, 76796, 95995, 107567, 119428, 149285, 191990, 215134, 298570, 383980, 430268, 537835, 597140, 1075670, 2151340, 7852391, 15704782, 31409564, 39261955, 78523910, 157047820]

約数ペア:

[(1, 157047820), (2, 78523910), (4, 39261955), (5, 31409564), (10, 15704782), (20, 7852391), (73, 2151340), (146, 1075670), (263, 597140), (292, 537835), (365, 430268), (409, 383980), (526, 298570), (730, 215134), (818, 191990), (1052, 149285), (1315, 119428), (1460, 107567), (1636, 95995), (2045, 76796), (2630, 59714), (4090, 38398), (5260, 29857), (8180, 19199)]