201911380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53987}}^1$

素因数の和:54024

約数の個数: 48

約数和(自身を含む): 489779136

約数和(自身を除く): 287867756

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 53987, 107974, 215948, 269935, 539870, 593857, 917779, 1079740, 1187714, 1835558, 2375428, 2969285, 3671116, 4588895, 5938570, 9177790, 10095569, 11877140, 18355580, 20191138, 40382276, 50477845, 100955690, 201911380]

約数ペア:

[(1, 201911380), (2, 100955690), (4, 50477845), (5, 40382276), (10, 20191138), (11, 18355580), (17, 11877140), (20, 10095569), (22, 9177790), (34, 5938570), (44, 4588895), (55, 3671116), (68, 2969285), (85, 2375428), (110, 1835558), (170, 1187714), (187, 1079740), (220, 917779), (340, 593857), (374, 539870), (748, 269935), (935, 215948), (1870, 107974), (3740, 53987)]