239765420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{3359}}^1$

素因数の和:3494

約数の個数: 48

約数和(自身を含む): 521579520

約数和(自身を除く): 281814100

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 166, 172, 215, 332, 415, 430, 830, 860, 1660, 3359, 3569, 6718, 7138, 13436, 14276, 16795, 17845, 33590, 35690, 67180, 71380, 144437, 278797, 288874, 557594, 577748, 722185, 1115188, 1393985, 1444370, 2787970, 2888740, 5575940, 11988271, 23976542, 47953084, 59941355, 119882710, 239765420]

約数ペア:

[(1, 239765420), (2, 119882710), (4, 59941355), (5, 47953084), (10, 23976542), (20, 11988271), (43, 5575940), (83, 2888740), (86, 2787970), (166, 1444370), (172, 1393985), (215, 1115188), (332, 722185), (415, 577748), (430, 557594), (830, 288874), (860, 278797), (1660, 144437), (3359, 71380), (3569, 67180), (6718, 35690), (7138, 33590), (13436, 17845), (14276, 16795)]