257819570

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{673}}^1\times {\mathrm{1321}}^1$

素因数の和:2030

約数の個数: 32

約数和(自身を含む): 481155120

約数和(自身を除く): 223335550

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 673, 1321, 1346, 2642, 3365, 6605, 6730, 13210, 19517, 38309, 39034, 76618, 97585, 191545, 195170, 383090, 889033, 1778066, 4445165, 8890330, 25781957, 51563914, 128909785, 257819570]

約数ペア:

[(1, 257819570), (2, 128909785), (5, 51563914), (10, 25781957), (29, 8890330), (58, 4445165), (145, 1778066), (290, 889033), (673, 383090), (1321, 195170), (1346, 191545), (2642, 97585), (3365, 76618), (6605, 39034), (6730, 38309), (13210, 19517)]