199069960

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 456192000

約数和(自身を除く): 257122040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 149, 254, 263, 298, 508, 526, 596, 635, 745, 1016, 1052, 1192, 1270, 1315, 1490, 2104, 2540, 2630, 2980, 5080, 5260, 5960, 10520, 18923, 33401, 37846, 39187, 66802, 75692, 78374, 94615, 133604, 151384, 156748, 167005, 189230, 195935, 267208, 313496, 334010, 378460, 391870, 668020, 756920, 783740, 1336040, 1567480, 4976749, 9953498, 19906996, 24883745, 39813992, 49767490, 99534980, 199069960]

約数ペア:

[(1, 199069960), (2, 99534980), (4, 49767490), (5, 39813992), (8, 24883745), (10, 19906996), (20, 9953498), (40, 4976749), (127, 1567480), (149, 1336040), (254, 783740), (263, 756920), (298, 668020), (508, 391870), (526, 378460), (596, 334010), (635, 313496), (745, 267208), (1016, 195935), (1052, 189230), (1192, 167005), (1270, 156748), (1315, 151384), (1490, 133604), (2104, 94615), (2540, 78374), (2630, 75692), (2980, 66802), (5080, 39187), (5260, 37846), (5960, 33401), (10520, 18923)]