268519970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{13721}}^1$

素因数の和:13850

約数の個数: 32

約数和(自身を含む): 513751680

約数和(自身を除く): 245231710

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 1030, 1957, 3914, 9785, 13721, 19570, 27442, 68605, 137210, 260699, 521398, 1303495, 1413263, 2606990, 2826526, 7066315, 14132630, 26851997, 53703994, 134259985, 268519970]

約数ペア:

[(1, 268519970), (2, 134259985), (5, 53703994), (10, 26851997), (19, 14132630), (38, 7066315), (95, 2826526), (103, 2606990), (190, 1413263), (206, 1303495), (515, 521398), (1030, 260699), (1957, 137210), (3914, 68605), (9785, 27442), (13721, 19570)]