489304420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{8861}}^1$

素因数の和:9132

約数の個数: 48

約数和(自身を含む): 1125544896

約数和(自身を除く): 636240476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251, 502, 1004, 1255, 2510, 2761, 5020, 5522, 8861, 11044, 13805, 17722, 27610, 35444, 44305, 55220, 88610, 97471, 177220, 194942, 389884, 487355, 974710, 1949420, 2224111, 4448222, 8896444, 11120555, 22241110, 24465221, 44482220, 48930442, 97860884, 122326105, 244652210, 489304420]

約数ペア:

[(1, 489304420), (2, 244652210), (4, 122326105), (5, 97860884), (10, 48930442), (11, 44482220), (20, 24465221), (22, 22241110), (44, 11120555), (55, 8896444), (110, 4448222), (220, 2224111), (251, 1949420), (502, 974710), (1004, 487355), (1255, 389884), (2510, 194942), (2761, 177220), (5020, 97471), (5522, 88610), (8861, 55220), (11044, 44305), (13805, 35444), (17722, 27610)]