68128375

素因数分解:

$5^3\times 7^4\times {\mathrm{227}}^1$

素因数の和:270

約数の個数: 40

約数和(自身を含む): 99625968

約数和(自身を除く): 31497593

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 227, 245, 343, 875, 1135, 1225, 1589, 1715, 2401, 5675, 6125, 7945, 8575, 11123, 12005, 28375, 39725, 42875, 55615, 60025, 77861, 198625, 278075, 300125, 389305, 545027, 1390375, 1946525, 2725135, 9732625, 13625675, 68128375]

約数ペア:

[(1, 68128375), (5, 13625675), (7, 9732625), (25, 2725135), (35, 1946525), (49, 1390375), (125, 545027), (175, 389305), (227, 300125), (245, 278075), (343, 198625), (875, 77861), (1135, 60025), (1225, 55615), (1589, 42875), (1715, 39725), (2401, 28375), (5675, 12005), (6125, 11123), (7945, 8575)]