219365225

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{1019}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 278256000

約数和(自身を除く): 58890775

約数列:

[1, 5, 25, 79, 109, 395, 545, 1019, 1975, 2725, 5095, 8611, 25475, 43055, 80501, 111071, 215275, 402505, 555355, 2012525, 2776775, 8774609, 43873045, 219365225]

約数ペア:

[(1, 219365225), (5, 43873045), (25, 8774609), (79, 2776775), (109, 2012525), (395, 555355), (545, 402505), (1019, 215275), (1975, 111071), (2725, 80501), (5095, 43055), (8611, 25475)]