420210385

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1\times {\mathrm{487}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 586068480

約数和(自身を除く): 165858095

約数列:

[1, 5, 7, 35, 89, 277, 445, 487, 623, 1385, 1939, 2435, 3115, 3409, 9695, 17045, 24653, 43343, 123265, 134899, 172571, 216715, 303401, 674495, 862855, 944293, 1517005, 4721465, 12006011, 60030055, 84042077, 420210385]

約数ペア:

[(1, 420210385), (5, 84042077), (7, 60030055), (35, 12006011), (89, 4721465), (277, 1517005), (445, 944293), (487, 862855), (623, 674495), (1385, 303401), (1939, 216715), (2435, 172571), (3115, 134899), (3409, 123265), (9695, 43343), (17045, 24653)]