208049500

素因数分解:

$2^2\times 5^3\times {\mathrm{239}}^1\times {\mathrm{1741}}^1$

素因数の和:1999

約数の個数: 48

約数和(自身を含む): 456543360

約数和(自身を除く): 248493860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 239, 250, 478, 500, 956, 1195, 1741, 2390, 3482, 4780, 5975, 6964, 8705, 11950, 17410, 23900, 29875, 34820, 43525, 59750, 87050, 119500, 174100, 217625, 416099, 435250, 832198, 870500, 1664396, 2080495, 4160990, 8321980, 10402475, 20804950, 41609900, 52012375, 104024750, 208049500]

約数ペア:

[(1, 208049500), (2, 104024750), (4, 52012375), (5, 41609900), (10, 20804950), (20, 10402475), (25, 8321980), (50, 4160990), (100, 2080495), (125, 1664396), (239, 870500), (250, 832198), (478, 435250), (500, 416099), (956, 217625), (1195, 174100), (1741, 119500), (2390, 87050), (3482, 59750), (4780, 43525), (5975, 34820), (6964, 29875), (8705, 23900), (11950, 17410)]