28354620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67511}}^1$

素因数の和:67530

約数の個数: 48

約数和(自身を含む): 90736128

約数和(自身を除く): 62381508

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, 67511, 135022, 202533, 270044, 337555, 405066, 472577, 675110, 810132, 945154, 1012665, 1350220, 1417731, 1890308, 2025330, 2362885, 2835462, 4050660, 4725770, 5670924, 7088655, 9451540, 14177310, 28354620]

約数ペア:

[(1, 28354620), (2, 14177310), (3, 9451540), (4, 7088655), (5, 5670924), (6, 4725770), (7, 4050660), (10, 2835462), (12, 2362885), (14, 2025330), (15, 1890308), (20, 1417731), (21, 1350220), (28, 1012665), (30, 945154), (35, 810132), (42, 675110), (60, 472577), (70, 405066), (84, 337555), (105, 270044), (140, 202533), (210, 135022), (420, 67511)]