420452008

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{911}}^1\times {\mathrm{1861}}^1$

素因数の和:2809

約数の個数: 32

約数和(自身を含む): 815109120

約数和(自身を除く): 394657112

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 911, 1822, 1861, 3644, 3722, 7288, 7444, 14888, 28241, 56482, 57691, 112964, 115382, 225928, 230764, 461528, 1695371, 3390742, 6781484, 13562968, 52556501, 105113002, 210226004, 420452008]

約数ペア:

[(1, 420452008), (2, 210226004), (4, 105113002), (8, 52556501), (31, 13562968), (62, 6781484), (124, 3390742), (248, 1695371), (911, 461528), (1822, 230764), (1861, 225928), (3644, 115382), (3722, 112964), (7288, 57691), (7444, 56482), (14888, 28241)]