127378025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 177738624

約数和(自身を除く): 50360599

約数列:

[1, 5, 17, 23, 25, 83, 85, 115, 157, 391, 415, 425, 575, 785, 1411, 1909, 1955, 2075, 2669, 3611, 3925, 7055, 9545, 9775, 13031, 13345, 18055, 32453, 35275, 47725, 61387, 65155, 66725, 90275, 162265, 221527, 299713, 306935, 325775, 811325, 1107635, 1498565, 1534675, 5095121, 5538175, 7492825, 25475605, 127378025]

約数ペア:

[(1, 127378025), (5, 25475605), (17, 7492825), (23, 5538175), (25, 5095121), (83, 1534675), (85, 1498565), (115, 1107635), (157, 811325), (391, 325775), (415, 306935), (425, 299713), (575, 221527), (785, 162265), (1411, 90275), (1909, 66725), (1955, 65155), (2075, 61387), (2669, 47725), (3611, 35275), (3925, 32453), (7055, 18055), (9545, 13345), (9775, 13031)]