9918500

素因数分解:

$2^2\times 5^3\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 22014720

約数和(自身を除く): 12096220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 125, 166, 239, 250, 332, 415, 478, 500, 830, 956, 1195, 1660, 2075, 2390, 4150, 4780, 5975, 8300, 10375, 11950, 19837, 20750, 23900, 29875, 39674, 41500, 59750, 79348, 99185, 119500, 198370, 396740, 495925, 991850, 1983700, 2479625, 4959250, 9918500]

約数ペア:

[(1, 9918500), (2, 4959250), (4, 2479625), (5, 1983700), (10, 991850), (20, 495925), (25, 396740), (50, 198370), (83, 119500), (100, 99185), (125, 79348), (166, 59750), (239, 41500), (250, 39674), (332, 29875), (415, 23900), (478, 20750), (500, 19837), (830, 11950), (956, 10375), (1195, 8300), (1660, 5975), (2075, 4780), (2390, 4150)]