75130780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 161493696

約数和(自身を除く): 86362916

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 157, 284, 314, 337, 355, 628, 674, 710, 785, 1348, 1420, 1570, 1685, 3140, 3370, 6740, 11147, 22294, 23927, 44588, 47854, 52909, 55735, 95708, 105818, 111470, 119635, 211636, 222940, 239270, 264545, 478540, 529090, 1058180, 3756539, 7513078, 15026156, 18782695, 37565390, 75130780]

約数ペア:

[(1, 75130780), (2, 37565390), (4, 18782695), (5, 15026156), (10, 7513078), (20, 3756539), (71, 1058180), (142, 529090), (157, 478540), (284, 264545), (314, 239270), (337, 222940), (355, 211636), (628, 119635), (674, 111470), (710, 105818), (785, 95708), (1348, 55735), (1420, 52909), (1570, 47854), (1685, 44588), (3140, 23927), (3370, 22294), (6740, 11147)]