4890890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 9192960

約数和(自身を除く): 4302070

約数列:

[1, 2, 5, 10, 41, 79, 82, 151, 158, 205, 302, 395, 410, 755, 790, 1510, 3239, 6191, 6478, 11929, 12382, 16195, 23858, 30955, 32390, 59645, 61910, 119290, 489089, 978178, 2445445, 4890890]

約数ペア:

[(1, 4890890), (2, 2445445), (5, 978178), (10, 489089), (41, 119290), (79, 61910), (82, 59645), (151, 32390), (158, 30955), (205, 23858), (302, 16195), (395, 12382), (410, 11929), (755, 6478), (790, 6191), (1510, 3239)]