211963480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311711}}^1$

素因数の和:311739

約数の個数: 32

約数和(自身を含む): 504973440

約数和(自身を除く): 293009960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 311711, 623422, 1246844, 1558555, 2493688, 3117110, 5299087, 6234220, 10598174, 12468440, 21196348, 26495435, 42392696, 52990870, 105981740, 211963480]

約数ペア:

[(1, 211963480), (2, 105981740), (4, 52990870), (5, 42392696), (8, 26495435), (10, 21196348), (17, 12468440), (20, 10598174), (34, 6234220), (40, 5299087), (68, 3117110), (85, 2493688), (136, 1558555), (170, 1246844), (340, 623422), (680, 311711)]