279630460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{853}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 605164896

約数和(自身を除く): 325534436

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 443, 740, 853, 886, 1706, 1772, 2215, 3412, 4265, 4430, 8530, 8860, 16391, 17060, 31561, 32782, 63122, 65564, 81955, 126244, 157805, 163910, 315610, 327820, 377879, 631220, 755758, 1511516, 1889395, 3778790, 7557580, 13981523, 27963046, 55926092, 69907615, 139815230, 279630460]

約数ペア:

[(1, 279630460), (2, 139815230), (4, 69907615), (5, 55926092), (10, 27963046), (20, 13981523), (37, 7557580), (74, 3778790), (148, 1889395), (185, 1511516), (370, 755758), (443, 631220), (740, 377879), (853, 327820), (886, 315610), (1706, 163910), (1772, 157805), (2215, 126244), (3412, 81955), (4265, 65564), (4430, 63122), (8530, 32782), (8860, 31561), (16391, 17060)]