788740

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 1675800

約数和(自身を除く): 887060

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 349, 452, 565, 698, 1130, 1396, 1745, 2260, 3490, 6980, 39437, 78874, 157748, 197185, 394370, 788740]

約数ペア:

[(1, 788740), (2, 394370), (4, 197185), (5, 157748), (10, 78874), (20, 39437), (113, 6980), (226, 3490), (349, 2260), (452, 1745), (565, 1396), (698, 1130)]