29190940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 63370944

約数和(自身を除く): 34180004

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 337, 355, 610, 674, 710, 1220, 1348, 1420, 1685, 3370, 4331, 6740, 8662, 17324, 20557, 21655, 23927, 41114, 43310, 47854, 82228, 86620, 95708, 102785, 119635, 205570, 239270, 411140, 478540, 1459547, 2919094, 5838188, 7297735, 14595470, 29190940]

約数ペア:

[(1, 29190940), (2, 14595470), (4, 7297735), (5, 5838188), (10, 2919094), (20, 1459547), (61, 478540), (71, 411140), (122, 239270), (142, 205570), (244, 119635), (284, 102785), (305, 95708), (337, 86620), (355, 82228), (610, 47854), (674, 43310), (710, 41114), (1220, 23927), (1348, 21655), (1420, 20557), (1685, 17324), (3370, 8662), (4331, 6740)]