74712540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{177887}}^1$

素因数の和:177906

約数の個数: 48

約数和(自身を含む): 239081472

約数和(自身を除く): 164368932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 177887, 355774, 533661, 711548, 889435, 1067322, 1245209, 1778870, 2134644, 2490418, 2668305, 3557740, 3735627, 4980836, 5336610, 6226045, 7471254, 10673220, 12452090, 14942508, 18678135, 24904180, 37356270, 74712540]

約数ペア:

[(1, 74712540), (2, 37356270), (3, 24904180), (4, 18678135), (5, 14942508), (6, 12452090), (7, 10673220), (10, 7471254), (12, 6226045), (14, 5336610), (15, 4980836), (20, 3735627), (21, 3557740), (28, 2668305), (30, 2490418), (35, 2134644), (42, 1778870), (60, 1245209), (70, 1067322), (84, 889435), (105, 711548), (140, 533661), (210, 355774), (420, 177887)]