7896020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1928

約数の個数: 48

約数和(自身を含む): 19051200

約数和(自身を除く): 11155180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1889, 2090, 3778, 4180, 7556, 9445, 18890, 20779, 35891, 37780, 41558, 71782, 83116, 103895, 143564, 179455, 207790, 358910, 394801, 415580, 717820, 789602, 1579204, 1974005, 3948010, 7896020]

約数ペア:

[(1, 7896020), (2, 3948010), (4, 1974005), (5, 1579204), (10, 789602), (11, 717820), (19, 415580), (20, 394801), (22, 358910), (38, 207790), (44, 179455), (55, 143564), (76, 103895), (95, 83116), (110, 71782), (190, 41558), (209, 37780), (220, 35891), (380, 20779), (418, 18890), (836, 9445), (1045, 7556), (1889, 4180), (2090, 3778)]