420121055

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^2\times {\mathrm{179}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 524225520

約数和(自身を除く): 104104465

約数列:

[1, 5, 41, 107, 179, 205, 535, 895, 4387, 7339, 11449, 19153, 21935, 36695, 57245, 95765, 469409, 785273, 2049371, 2347045, 3926365, 10246855, 84024211, 420121055]

約数ペア:

[(1, 420121055), (5, 84024211), (41, 10246855), (107, 3926365), (179, 2347045), (205, 2049371), (535, 785273), (895, 469409), (4387, 95765), (7339, 57245), (11449, 36695), (19153, 21935)]