68486690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1699}}^1$

素因数の和:1874

約数の個数: 32

約数和(自身を含む): 128520000

約数和(自身を除く): 60033310

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 1699, 3398, 4031, 8062, 8495, 16990, 20155, 40310, 49271, 98542, 236161, 246355, 472322, 492710, 1180805, 2361610, 6848669, 13697338, 34243345, 68486690]

約数ペア:

[(1, 68486690), (2, 34243345), (5, 13697338), (10, 6848669), (29, 2361610), (58, 1180805), (139, 492710), (145, 472322), (278, 246355), (290, 236161), (695, 98542), (1390, 49271), (1699, 40310), (3398, 20155), (4031, 16990), (8062, 8495)]