78811850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 169207920

約数和(自身を除く): 90396070

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 37, 50, 58, 65, 74, 113, 130, 145, 185, 226, 290, 325, 370, 377, 481, 565, 650, 725, 754, 925, 962, 1073, 1130, 1450, 1469, 1850, 1885, 2146, 2405, 2825, 2938, 3277, 3770, 4181, 4810, 5365, 5650, 6554, 7345, 8362, 9425, 10730, 12025, 13949, 14690, 16385, 18850, 20905, 24050, 26825, 27898, 32770, 36725, 41810, 42601, 53650, 54353, 69745, 73450, 81925, 85202, 104525, 108706, 121249, 139490, 163850, 209050, 213005, 242498, 271765, 348725, 426010, 543530, 606245, 697450, 1065025, 1212490, 1358825, 1576237, 2130050, 2717650, 3031225, 3152474, 6062450, 7881185, 15762370, 39405925, 78811850]

約数ペア:

[(1, 78811850), (2, 39405925), (5, 15762370), (10, 7881185), (13, 6062450), (25, 3152474), (26, 3031225), (29, 2717650), (37, 2130050), (50, 1576237), (58, 1358825), (65, 1212490), (74, 1065025), (113, 697450), (130, 606245), (145, 543530), (185, 426010), (226, 348725), (290, 271765), (325, 242498), (370, 213005), (377, 209050), (481, 163850), (565, 139490), (650, 121249), (725, 108706), (754, 104525), (925, 85202), (962, 81925), (1073, 73450), (1130, 69745), (1450, 54353), (1469, 53650), (1850, 42601), (1885, 41810), (2146, 36725), (2405, 32770), (2825, 27898), (2938, 26825), (3277, 24050), (3770, 20905), (4181, 18850), (4810, 16385), (5365, 14690), (5650, 13949), (6554, 12025), (7345, 10730), (8362, 9425)]