208479160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{306587}}^1$

素因数の和:306615

約数の個数: 32

約数和(自身を含む): 496672560

約数和(自身を除く): 288193400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 306587, 613174, 1226348, 1532935, 2452696, 3065870, 5211979, 6131740, 10423958, 12263480, 20847916, 26059895, 41695832, 52119790, 104239580, 208479160]

約数ペア:

[(1, 208479160), (2, 104239580), (4, 52119790), (5, 41695832), (8, 26059895), (10, 20847916), (17, 12263480), (20, 10423958), (34, 6131740), (40, 5211979), (68, 3065870), (85, 2452696), (136, 1532935), (170, 1226348), (340, 613174), (680, 306587)]