202870975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3907}}^1$

素因数の和:4015

約数の個数: 24

約数和(自身を含む): 263618048

約数和(自身を除く): 60747073

約数列:

[1, 5, 25, 31, 67, 155, 335, 775, 1675, 2077, 3907, 10385, 19535, 51925, 97675, 121117, 261769, 605585, 1308845, 3027925, 6544225, 8114839, 40574195, 202870975]

約数ペア:

[(1, 202870975), (5, 40574195), (25, 8114839), (31, 6544225), (67, 3027925), (155, 1308845), (335, 605585), (775, 261769), (1675, 121117), (2077, 97675), (3907, 51925), (10385, 19535)]