856404920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179917}}^1$

素因数の和:179952

約数の個数: 64

約数和(自身を含む): 2331737280

約数和(自身を除く): 1475332360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 179917, 359834, 719668, 899585, 1259419, 1439336, 1799170, 2518838, 3058589, 3598340, 5037676, 6117178, 6297095, 7196680, 10075352, 12234356, 12594190, 15292945, 21410123, 24468712, 25188380, 30585890, 42820246, 50376760, 61171780, 85640492, 107050615, 122343560, 171280984, 214101230, 428202460, 856404920]

約数ペア:

[(1, 856404920), (2, 428202460), (4, 214101230), (5, 171280984), (7, 122343560), (8, 107050615), (10, 85640492), (14, 61171780), (17, 50376760), (20, 42820246), (28, 30585890), (34, 25188380), (35, 24468712), (40, 21410123), (56, 15292945), (68, 12594190), (70, 12234356), (85, 10075352), (119, 7196680), (136, 6297095), (140, 6117178), (170, 5037676), (238, 3598340), (280, 3058589), (340, 2518838), (476, 1799170), (595, 1439336), (680, 1259419), (952, 899585), (1190, 719668), (2380, 359834), (4760, 179917)]