278052010

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{1861}}^1$

素因数の和:2158

約数の個数: 32

約数和(自身を含む): 510515712

約数和(自身を除く): 232463702

約数列:

[1, 2, 5, 10, 67, 134, 223, 335, 446, 670, 1115, 1861, 2230, 3722, 9305, 14941, 18610, 29882, 74705, 124687, 149410, 249374, 415003, 623435, 830006, 1246870, 2075015, 4150030, 27805201, 55610402, 139026005, 278052010]

約数ペア:

[(1, 278052010), (2, 139026005), (5, 55610402), (10, 27805201), (67, 4150030), (134, 2075015), (223, 1246870), (335, 830006), (446, 623435), (670, 415003), (1115, 249374), (1861, 149410), (2230, 124687), (3722, 74705), (9305, 29882), (14941, 18610)]