90877880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 213300000

約数和(自身を除く): 122422120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 157, 232, 290, 314, 499, 580, 628, 785, 998, 1160, 1256, 1570, 1996, 2495, 3140, 3992, 4553, 4990, 6280, 9106, 9980, 14471, 18212, 19960, 22765, 28942, 36424, 45530, 57884, 72355, 78343, 91060, 115768, 144710, 156686, 182120, 289420, 313372, 391715, 578840, 626744, 783430, 1566860, 2271947, 3133720, 4543894, 9087788, 11359735, 18175576, 22719470, 45438940, 90877880]

約数ペア:

[(1, 90877880), (2, 45438940), (4, 22719470), (5, 18175576), (8, 11359735), (10, 9087788), (20, 4543894), (29, 3133720), (40, 2271947), (58, 1566860), (116, 783430), (145, 626744), (157, 578840), (232, 391715), (290, 313372), (314, 289420), (499, 182120), (580, 156686), (628, 144710), (785, 115768), (998, 91060), (1160, 78343), (1256, 72355), (1570, 57884), (1996, 45530), (2495, 36424), (3140, 28942), (3992, 22765), (4553, 19960), (4990, 18212), (6280, 14471), (9106, 9980)]