161789650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6841}}^1$

素因数の和:6907

約数の個数: 48

約数和(自身を含む): 335969568

約数和(自身を除く): 174179918

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 110, 215, 275, 430, 473, 550, 946, 1075, 2150, 2365, 4730, 6841, 11825, 13682, 23650, 34205, 68410, 75251, 150502, 171025, 294163, 342050, 376255, 588326, 752510, 1470815, 1881275, 2941630, 3235793, 3762550, 6471586, 7354075, 14708150, 16178965, 32357930, 80894825, 161789650]

約数ペア:

[(1, 161789650), (2, 80894825), (5, 32357930), (10, 16178965), (11, 14708150), (22, 7354075), (25, 6471586), (43, 3762550), (50, 3235793), (55, 2941630), (86, 1881275), (110, 1470815), (215, 752510), (275, 588326), (430, 376255), (473, 342050), (550, 294163), (946, 171025), (1075, 150502), (2150, 75251), (2365, 68410), (4730, 34205), (6841, 23650), (11825, 13682)]