8621140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 19958400

約数和(自身を除く): 11337260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 263, 298, 526, 596, 745, 1052, 1315, 1490, 1639, 2630, 2893, 2980, 3278, 5260, 5786, 6556, 8195, 11572, 14465, 16390, 28930, 32780, 39187, 57860, 78374, 156748, 195935, 391870, 431057, 783740, 862114, 1724228, 2155285, 4310570, 8621140]

約数ペア:

[(1, 8621140), (2, 4310570), (4, 2155285), (5, 1724228), (10, 862114), (11, 783740), (20, 431057), (22, 391870), (44, 195935), (55, 156748), (110, 78374), (149, 57860), (220, 39187), (263, 32780), (298, 28930), (526, 16390), (596, 14465), (745, 11572), (1052, 8195), (1315, 6556), (1490, 5786), (1639, 5260), (2630, 3278), (2893, 2980)]