28382340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67577}}^1$

素因数の和:67596

約数の個数: 48

約数和(自身を含む): 90824832

約数和(自身を除く): 62442492

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, 67577, 135154, 202731, 270308, 337885, 405462, 473039, 675770, 810924, 946078, 1013655, 1351540, 1419117, 1892156, 2027310, 2365195, 2838234, 4054620, 4730390, 5676468, 7095585, 9460780, 14191170, 28382340]

約数ペア:

[(1, 28382340), (2, 14191170), (3, 9460780), (4, 7095585), (5, 5676468), (6, 4730390), (7, 4054620), (10, 2838234), (12, 2365195), (14, 2027310), (15, 1892156), (20, 1419117), (21, 1351540), (28, 1013655), (30, 946078), (35, 810924), (42, 675770), (60, 473039), (70, 405462), (84, 337885), (105, 270308), (140, 202731), (210, 135154), (420, 67577)]