47776100

素因数分解:

$2^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{1999}}^1$

素因数の和:2252

約数の個数: 36

約数和(自身を含む): 104160000

約数和(自身を除く): 56383900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 478, 956, 1195, 1999, 2390, 3998, 4780, 5975, 7996, 9995, 11950, 19990, 23900, 39980, 49975, 99950, 199900, 477761, 955522, 1911044, 2388805, 4777610, 9555220, 11944025, 23888050, 47776100]

約数ペア:

[(1, 47776100), (2, 23888050), (4, 11944025), (5, 9555220), (10, 4777610), (20, 2388805), (25, 1911044), (50, 955522), (100, 477761), (239, 199900), (478, 99950), (956, 49975), (1195, 39980), (1999, 23900), (2390, 19990), (3998, 11950), (4780, 9995), (5975, 7996)]