209701970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{28687}}^1$

素因数の和:28754

約数の個数: 32

約数和(自身を含む): 408976128

約数和(自身を除く): 199274158

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 3655, 7310, 28687, 57374, 143435, 286870, 487679, 975358, 1233541, 2438395, 2467082, 4876790, 6167705, 12335410, 20970197, 41940394, 104850985, 209701970]

約数ペア:

[(1, 209701970), (2, 104850985), (5, 41940394), (10, 20970197), (17, 12335410), (34, 6167705), (43, 4876790), (85, 2467082), (86, 2438395), (170, 1233541), (215, 975358), (430, 487679), (731, 286870), (1462, 143435), (3655, 57374), (7310, 28687)]