3931250

素因数分解:

$2^1\times 5^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 8015112

約数和(自身を除く): 4083862

約数列:

[1, 2, 5, 10, 17, 25, 34, 37, 50, 74, 85, 125, 170, 185, 250, 370, 425, 625, 629, 850, 925, 1250, 1258, 1850, 2125, 3125, 3145, 4250, 4625, 6250, 6290, 9250, 10625, 15725, 21250, 23125, 31450, 46250, 53125, 78625, 106250, 115625, 157250, 231250, 393125, 786250, 1965625, 3931250]

約数ペア:

[(1, 3931250), (2, 1965625), (5, 786250), (10, 393125), (17, 231250), (25, 157250), (34, 115625), (37, 106250), (50, 78625), (74, 53125), (85, 46250), (125, 31450), (170, 23125), (185, 21250), (250, 15725), (370, 10625), (425, 9250), (625, 6290), (629, 6250), (850, 4625), (925, 4250), (1250, 3145), (1258, 3125), (1850, 2125)]