2019400830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{521809}}^1$

素因数の和:521865

約数の個数: 48

約数和(自身を含む): 5372555760

約数和(自身を除く): 3353154930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 521809, 1043618, 1565427, 2609045, 3130854, 4696281, 5218090, 7827135, 9392562, 15654270, 22437787, 23481405, 44875574, 46962810, 67313361, 112188935, 134626722, 201940083, 224377870, 336566805, 403880166, 673133610, 1009700415, 2019400830]

約数ペア:

[(1, 2019400830), (2, 1009700415), (3, 673133610), (5, 403880166), (6, 336566805), (9, 224377870), (10, 201940083), (15, 134626722), (18, 112188935), (30, 67313361), (43, 46962810), (45, 44875574), (86, 23481405), (90, 22437787), (129, 15654270), (215, 9392562), (258, 7827135), (387, 5218090), (430, 4696281), (645, 3130854), (774, 2609045), (1290, 1565427), (1935, 1043618), (3870, 521809)]