243944840

素因数分解:

$2^3\times 5^1\times {\mathrm{941}}^1\times {\mathrm{6481}}^1$

素因数の和:7433

約数の個数: 32

約数和(自身を含む): 549543960

約数和(自身を除く): 305599120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 941, 1882, 3764, 4705, 6481, 7528, 9410, 12962, 18820, 25924, 32405, 37640, 51848, 64810, 129620, 259240, 6098621, 12197242, 24394484, 30493105, 48788968, 60986210, 121972420, 243944840]

約数ペア:

[(1, 243944840), (2, 121972420), (4, 60986210), (5, 48788968), (8, 30493105), (10, 24394484), (20, 12197242), (40, 6098621), (941, 259240), (1882, 129620), (3764, 64810), (4705, 51848), (6481, 37640), (7528, 32405), (9410, 25924), (12962, 18820)]