1128380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 2709504

約数和(自身を除く): 1581124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 223, 230, 253, 446, 460, 506, 892, 1012, 1115, 1265, 2230, 2453, 2530, 4460, 4906, 5060, 5129, 9812, 10258, 12265, 20516, 24530, 25645, 49060, 51290, 56419, 102580, 112838, 225676, 282095, 564190, 1128380]

約数ペア:

[(1, 1128380), (2, 564190), (4, 282095), (5, 225676), (10, 112838), (11, 102580), (20, 56419), (22, 51290), (23, 49060), (44, 25645), (46, 24530), (55, 20516), (92, 12265), (110, 10258), (115, 9812), (220, 5129), (223, 5060), (230, 4906), (253, 4460), (446, 2530), (460, 2453), (506, 2230), (892, 1265), (1012, 1115)]