289678840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{5441}}^1$

素因数の和:5485

約数の個数: 64

約数和(自身を含む): 717037920

約数和(自身を除く): 427359080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1331, 2420, 2662, 4840, 5324, 5441, 6655, 10648, 10882, 13310, 21764, 26620, 27205, 43528, 53240, 54410, 59851, 108820, 119702, 217640, 239404, 299255, 478808, 598510, 658361, 1197020, 1316722, 2394040, 2633444, 3291805, 5266888, 6583610, 7241971, 13167220, 14483942, 26334440, 28967884, 36209855, 57935768, 72419710, 144839420, 289678840]

約数ペア:

[(1, 289678840), (2, 144839420), (4, 72419710), (5, 57935768), (8, 36209855), (10, 28967884), (11, 26334440), (20, 14483942), (22, 13167220), (40, 7241971), (44, 6583610), (55, 5266888), (88, 3291805), (110, 2633444), (121, 2394040), (220, 1316722), (242, 1197020), (440, 658361), (484, 598510), (605, 478808), (968, 299255), (1210, 239404), (1331, 217640), (2420, 119702), (2662, 108820), (4840, 59851), (5324, 54410), (5441, 53240), (6655, 43528), (10648, 27205), (10882, 26620), (13310, 21764)]