305655250

素因数分解:

$2^1\times 5^3\times {\mathrm{251}}^1\times {\mathrm{4871}}^1$

素因数の和:5139

約数の個数: 32

約数和(自身を含む): 574584192

約数和(自身を除く): 268928942

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 251, 502, 1255, 2510, 4871, 6275, 9742, 12550, 24355, 31375, 48710, 62750, 121775, 243550, 608875, 1217750, 1222621, 2445242, 6113105, 12226210, 30565525, 61131050, 152827625, 305655250]

約数ペア:

[(1, 305655250), (2, 152827625), (5, 61131050), (10, 30565525), (25, 12226210), (50, 6113105), (125, 2445242), (250, 1222621), (251, 1217750), (502, 608875), (1255, 243550), (2510, 121775), (4871, 62750), (6275, 48710), (9742, 31375), (12550, 24355)]