885698020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{2797}}^1$

素因数の和:3100

約数の個数: 48

約数和(自身を含む): 1895298048

約数和(自身を除く): 1009600028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 223, 284, 355, 446, 710, 892, 1115, 1420, 2230, 2797, 4460, 5594, 11188, 13985, 15833, 27970, 31666, 55940, 63332, 79165, 158330, 198587, 316660, 397174, 623731, 794348, 992935, 1247462, 1985870, 2494924, 3118655, 3971740, 6237310, 12474620, 44284901, 88569802, 177139604, 221424505, 442849010, 885698020]

約数ペア:

[(1, 885698020), (2, 442849010), (4, 221424505), (5, 177139604), (10, 88569802), (20, 44284901), (71, 12474620), (142, 6237310), (223, 3971740), (284, 3118655), (355, 2494924), (446, 1985870), (710, 1247462), (892, 992935), (1115, 794348), (1420, 623731), (2230, 397174), (2797, 316660), (4460, 198587), (5594, 158330), (11188, 79165), (13985, 63332), (15833, 55940), (27970, 31666)]