278340510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1325431}}^1$

素因数の和:1325448

約数の個数: 32

約数和(自身を含む): 763448832

約数和(自身を除く): 485108322

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1325431, 2650862, 3976293, 6627155, 7952586, 9278017, 13254310, 18556034, 19881465, 27834051, 39762930, 46390085, 55668102, 92780170, 139170255, 278340510]

約数ペア:

[(1, 278340510), (2, 139170255), (3, 92780170), (5, 55668102), (6, 46390085), (7, 39762930), (10, 27834051), (14, 19881465), (15, 18556034), (21, 13254310), (30, 9278017), (35, 7952586), (42, 6627155), (70, 3976293), (105, 2650862), (210, 1325431)]