1189919810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{123821}}^1$

素因数の和:123890

約数の個数: 24

約数和(自身を含む): 2213194428

約数和(自身を除く): 1023274618

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 4805, 9610, 123821, 247642, 619105, 1238210, 3838451, 7676902, 19192255, 38384510, 118991981, 237983962, 594959905, 1189919810]

約数ペア:

[(1, 1189919810), (2, 594959905), (5, 237983962), (10, 118991981), (31, 38384510), (62, 19192255), (155, 7676902), (310, 3838451), (961, 1238210), (1922, 619105), (4805, 247642), (9610, 123821)]