2021782840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{656423}}^1$

素因数の和:656452

約数の個数: 64

約数和(自身を含む): 5671503360

約数和(自身を除く): 3649720520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 656423, 1312846, 2625692, 3282115, 4594961, 5251384, 6564230, 7220653, 9189922, 13128460, 14441306, 18379844, 22974805, 26256920, 28882612, 36103265, 36759688, 45949610, 50544571, 57765224, 72206530, 91899220, 101089142, 144413060, 183798440, 202178284, 252722855, 288826120, 404356568, 505445710, 1010891420, 2021782840]

約数ペア:

[(1, 2021782840), (2, 1010891420), (4, 505445710), (5, 404356568), (7, 288826120), (8, 252722855), (10, 202178284), (11, 183798440), (14, 144413060), (20, 101089142), (22, 91899220), (28, 72206530), (35, 57765224), (40, 50544571), (44, 45949610), (55, 36759688), (56, 36103265), (70, 28882612), (77, 26256920), (88, 22974805), (110, 18379844), (140, 14441306), (154, 13128460), (220, 9189922), (280, 7220653), (308, 6564230), (385, 5251384), (440, 4594961), (616, 3282115), (770, 2625692), (1540, 1312846), (3080, 656423)]