208087990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{499}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 435456000

約数和(自身を除く): 227368010

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 223, 374, 446, 499, 935, 998, 1115, 1870, 2230, 2453, 2495, 3791, 4906, 4990, 5489, 7582, 8483, 10978, 12265, 16966, 18955, 24530, 27445, 37910, 41701, 42415, 54890, 83402, 84830, 93313, 111277, 186626, 208505, 222554, 417010, 466565, 556385, 933130, 1112770, 1224047, 1891709, 2448094, 3783418, 6120235, 9458545, 12240470, 18917090, 20808799, 41617598, 104043995, 208087990]

約数ペア:

[(1, 208087990), (2, 104043995), (5, 41617598), (10, 20808799), (11, 18917090), (17, 12240470), (22, 9458545), (34, 6120235), (55, 3783418), (85, 2448094), (110, 1891709), (170, 1224047), (187, 1112770), (223, 933130), (374, 556385), (446, 466565), (499, 417010), (935, 222554), (998, 208505), (1115, 186626), (1870, 111277), (2230, 93313), (2453, 84830), (2495, 83402), (3791, 54890), (4906, 42415), (4990, 41701), (5489, 37910), (7582, 27445), (8483, 24530), (10978, 18955), (12265, 16966)]