407831180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1\times {\mathrm{719}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 870912000

約数和(自身を除く): 463080820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 359, 395, 718, 719, 790, 1436, 1438, 1580, 1795, 2876, 3590, 3595, 7180, 7190, 14380, 28361, 56722, 56801, 113444, 113602, 141805, 227204, 258121, 283610, 284005, 516242, 567220, 568010, 1032484, 1136020, 1290605, 2581210, 5162420, 20391559, 40783118, 81566236, 101957795, 203915590, 407831180]

約数ペア:

[(1, 407831180), (2, 203915590), (4, 101957795), (5, 81566236), (10, 40783118), (20, 20391559), (79, 5162420), (158, 2581210), (316, 1290605), (359, 1136020), (395, 1032484), (718, 568010), (719, 567220), (790, 516242), (1436, 284005), (1438, 283610), (1580, 258121), (1795, 227204), (2876, 141805), (3590, 113602), (3595, 113444), (7180, 56801), (7190, 56722), (14380, 28361)]