402770030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{15569}}^1$

素因数の和:15788

約数の個数: 32

約数和(自身を含む): 784728000

約数和(自身を除く): 381957970

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 5174, 12935, 15569, 25870, 31138, 77845, 155690, 202397, 404794, 1011985, 2023970, 3098231, 6196462, 15491155, 30982310, 40277003, 80554006, 201385015, 402770030]

約数ペア:

[(1, 402770030), (2, 201385015), (5, 80554006), (10, 40277003), (13, 30982310), (26, 15491155), (65, 6196462), (130, 3098231), (199, 2023970), (398, 1011985), (995, 404794), (1990, 202397), (2587, 155690), (5174, 77845), (12935, 31138), (15569, 25870)]