258117625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1129}}^1$

素因数の和:1234

約数の個数: 32

約数和(自身を含む): 338457600

約数和(自身を除く): 80339975

約数列:

[1, 5, 25, 31, 59, 125, 155, 295, 775, 1129, 1475, 1829, 3875, 5645, 7375, 9145, 28225, 34999, 45725, 66611, 141125, 174995, 228625, 333055, 874975, 1665275, 2064941, 4374875, 8326375, 10324705, 51623525, 258117625]

約数ペア:

[(1, 258117625), (5, 51623525), (25, 10324705), (31, 8326375), (59, 4374875), (125, 2064941), (155, 1665275), (295, 874975), (775, 333055), (1129, 228625), (1475, 174995), (1829, 141125), (3875, 66611), (5645, 45725), (7375, 34999), (9145, 28225)]