289707970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{7187}}^1$

素因数の和:7362

約数の個数: 32

約数和(自身を含む): 543412800

約数和(自身を除く): 253704830

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 4031, 7187, 8062, 14374, 20155, 35935, 40310, 71870, 208423, 416846, 998993, 1042115, 1997986, 2084230, 4994965, 9989930, 28970797, 57941594, 144853985, 289707970]

約数ペア:

[(1, 289707970), (2, 144853985), (5, 57941594), (10, 28970797), (29, 9989930), (58, 4994965), (139, 2084230), (145, 1997986), (278, 1042115), (290, 998993), (695, 416846), (1390, 208423), (4031, 71870), (7187, 40310), (8062, 35935), (14374, 20155)]