220905850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5657}}^1$

素因数の和:5751

約数の個数: 48

約数和(自身を含む): 454631616

約数和(自身を除く): 233725766

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 71, 110, 142, 275, 355, 550, 710, 781, 1562, 1775, 3550, 3905, 5657, 7810, 11314, 19525, 28285, 39050, 56570, 62227, 124454, 141425, 282850, 311135, 401647, 622270, 803294, 1555675, 2008235, 3111350, 4016470, 4418117, 8836234, 10041175, 20082350, 22090585, 44181170, 110452925, 220905850]

約数ペア:

[(1, 220905850), (2, 110452925), (5, 44181170), (10, 22090585), (11, 20082350), (22, 10041175), (25, 8836234), (50, 4418117), (55, 4016470), (71, 3111350), (110, 2008235), (142, 1555675), (275, 803294), (355, 622270), (550, 401647), (710, 311135), (781, 282850), (1562, 141425), (1775, 124454), (3550, 62227), (3905, 56570), (5657, 39050), (7810, 28285), (11314, 19525)]