28655340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68227}}^1$

素因数の和:68246

約数の個数: 48

約数和(自身を含む): 91698432

約数和(自身を除く): 63043092

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, 68227, 136454, 204681, 272908, 341135, 409362, 477589, 682270, 818724, 955178, 1023405, 1364540, 1432767, 1910356, 2046810, 2387945, 2865534, 4093620, 4775890, 5731068, 7163835, 9551780, 14327670, 28655340]

約数ペア:

[(1, 28655340), (2, 14327670), (3, 9551780), (4, 7163835), (5, 5731068), (6, 4775890), (7, 4093620), (10, 2865534), (12, 2387945), (14, 2046810), (15, 1910356), (20, 1432767), (21, 1364540), (28, 1023405), (30, 955178), (35, 818724), (42, 682270), (60, 477589), (70, 409362), (84, 341135), (105, 272908), (140, 204681), (210, 136454), (420, 68227)]