201465220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{2239}}^1$

素因数の和:2668

約数の個数: 48

約数和(自身を含む): 462873600

約数和(自身を除く): 261408380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 818, 1636, 2045, 2239, 4090, 4478, 4499, 8180, 8956, 8998, 11195, 17996, 22390, 22495, 24629, 44780, 44990, 49258, 89980, 98516, 123145, 246290, 492580, 915751, 1831502, 3663004, 4578755, 9157510, 10073261, 18315020, 20146522, 40293044, 50366305, 100732610, 201465220]

約数ペア:

[(1, 201465220), (2, 100732610), (4, 50366305), (5, 40293044), (10, 20146522), (11, 18315020), (20, 10073261), (22, 9157510), (44, 4578755), (55, 3663004), (110, 1831502), (220, 915751), (409, 492580), (818, 246290), (1636, 123145), (2045, 98516), (2239, 89980), (4090, 49258), (4478, 44990), (4499, 44780), (8180, 24629), (8956, 22495), (8998, 22390), (11195, 17996)]