1216685575

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1609}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 1796760000

約数和(自身を除く): 580074425

約数列:

[1, 5, 7, 25, 29, 35, 145, 149, 175, 203, 725, 745, 1015, 1043, 1609, 3725, 4321, 5075, 5215, 8045, 11263, 21605, 26075, 30247, 40225, 46661, 56315, 108025, 151235, 233305, 239741, 281575, 326627, 756175, 1166525, 1198705, 1633135, 1678187, 5993525, 6952489, 8165675, 8390935, 34762445, 41954675, 48667423, 173812225, 243337115, 1216685575]

約数ペア:

[(1, 1216685575), (5, 243337115), (7, 173812225), (25, 48667423), (29, 41954675), (35, 34762445), (145, 8390935), (149, 8165675), (175, 6952489), (203, 5993525), (725, 1678187), (745, 1633135), (1015, 1198705), (1043, 1166525), (1609, 756175), (3725, 326627), (4321, 281575), (5075, 239741), (5215, 233305), (8045, 151235), (11263, 108025), (21605, 56315), (26075, 46661), (30247, 40225)]