208674910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{10663}}^1$

素因数の和:10792

約数の個数: 32

約数和(自身を含む): 399260160

約数和(自身を除く): 190585250

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 1030, 1957, 3914, 9785, 10663, 19570, 21326, 53315, 106630, 202597, 405194, 1012985, 1098289, 2025970, 2196578, 5491445, 10982890, 20867491, 41734982, 104337455, 208674910]

約数ペア:

[(1, 208674910), (2, 104337455), (5, 41734982), (10, 20867491), (19, 10982890), (38, 5491445), (95, 2196578), (103, 2025970), (190, 1098289), (206, 1012985), (515, 405194), (1030, 202597), (1957, 106630), (3914, 53315), (9785, 21326), (10663, 19570)]