220181060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{2447}}^1$

素因数の和:2876

約数の個数: 48

約数和(自身を含む): 505854720

約数和(自身を除く): 285673660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 818, 1636, 2045, 2447, 4090, 4499, 4894, 8180, 8998, 9788, 12235, 17996, 22495, 24470, 26917, 44990, 48940, 53834, 89980, 107668, 134585, 269170, 538340, 1000823, 2001646, 4003292, 5004115, 10008230, 11009053, 20016460, 22018106, 44036212, 55045265, 110090530, 220181060]

約数ペア:

[(1, 220181060), (2, 110090530), (4, 55045265), (5, 44036212), (10, 22018106), (11, 20016460), (20, 11009053), (22, 10008230), (44, 5004115), (55, 4003292), (110, 2001646), (220, 1000823), (409, 538340), (818, 269170), (1636, 134585), (2045, 107668), (2447, 89980), (4090, 53834), (4499, 48940), (4894, 44990), (8180, 26917), (8998, 24470), (9788, 22495), (12235, 17996)]