208179620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{55663}}^1$

素因数の和:55700

約数の個数: 48

約数和(自身を含む): 504983808

約数和(自身を除く): 296804188

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, 55663, 111326, 222652, 278315, 556630, 612293, 946271, 1113260, 1224586, 1892542, 2449172, 3061465, 3785084, 4731355, 6122930, 9462710, 10408981, 12245860, 18925420, 20817962, 41635924, 52044905, 104089810, 208179620]

約数ペア:

[(1, 208179620), (2, 104089810), (4, 52044905), (5, 41635924), (10, 20817962), (11, 18925420), (17, 12245860), (20, 10408981), (22, 9462710), (34, 6122930), (44, 4731355), (55, 3785084), (68, 3061465), (85, 2449172), (110, 1892542), (170, 1224586), (187, 1113260), (220, 946271), (340, 612293), (374, 556630), (748, 278315), (935, 222652), (1870, 111326), (3740, 55663)]