15922450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 31248000

約数和(自身を除く): 15325550

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 79, 139, 145, 158, 278, 290, 395, 695, 725, 790, 1390, 1450, 1975, 2291, 3475, 3950, 4031, 4582, 6950, 8062, 10981, 11455, 20155, 21962, 22910, 40310, 54905, 57275, 100775, 109810, 114550, 201550, 274525, 318449, 549050, 636898, 1592245, 3184490, 7961225, 15922450]

約数ペア:

[(1, 15922450), (2, 7961225), (5, 3184490), (10, 1592245), (25, 636898), (29, 549050), (50, 318449), (58, 274525), (79, 201550), (139, 114550), (145, 109810), (158, 100775), (278, 57275), (290, 54905), (395, 40310), (695, 22910), (725, 21962), (790, 20155), (1390, 11455), (1450, 10981), (1975, 8062), (2291, 6950), (3475, 4582), (3950, 4031)]