42721100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13781}}^1$

素因数の和:13826

約数の個数: 36

約数和(自身を含む): 95702208

約数和(自身を除く): 52981108

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 13781, 27562, 55124, 68905, 137810, 275620, 344525, 427211, 689050, 854422, 1378100, 1708844, 2136055, 4272110, 8544220, 10680275, 21360550, 42721100]

約数ペア:

[(1, 42721100), (2, 21360550), (4, 10680275), (5, 8544220), (10, 4272110), (20, 2136055), (25, 1708844), (31, 1378100), (50, 854422), (62, 689050), (100, 427211), (124, 344525), (155, 275620), (310, 137810), (620, 68905), (775, 55124), (1550, 27562), (3100, 13781)]