289557620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{3793}}^1$

素因数の和:4160

約数の個数: 48

約数和(自身を含む): 665437248

約数和(自身を除く): 375879628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 347, 694, 1388, 1735, 3470, 3793, 3817, 6940, 7586, 7634, 15172, 15268, 18965, 19085, 37930, 38170, 41723, 75860, 76340, 83446, 166892, 208615, 417230, 834460, 1316171, 2632342, 5264684, 6580855, 13161710, 14477881, 26323420, 28955762, 57911524, 72389405, 144778810, 289557620]

約数ペア:

[(1, 289557620), (2, 144778810), (4, 72389405), (5, 57911524), (10, 28955762), (11, 26323420), (20, 14477881), (22, 13161710), (44, 6580855), (55, 5264684), (110, 2632342), (220, 1316171), (347, 834460), (694, 417230), (1388, 208615), (1735, 166892), (3470, 83446), (3793, 76340), (3817, 75860), (6940, 41723), (7586, 38170), (7634, 37930), (15172, 19085), (15268, 18965)]