72777620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 157489920

約数和(自身を除く): 84712300

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 139, 188, 235, 278, 470, 556, 557, 695, 940, 1114, 1390, 2228, 2780, 2785, 5570, 6533, 11140, 13066, 26132, 26179, 32665, 52358, 65330, 77423, 104716, 130660, 130895, 154846, 261790, 309692, 387115, 523580, 774230, 1548460, 3638881, 7277762, 14555524, 18194405, 36388810, 72777620]

約数ペア:

[(1, 72777620), (2, 36388810), (4, 18194405), (5, 14555524), (10, 7277762), (20, 3638881), (47, 1548460), (94, 774230), (139, 523580), (188, 387115), (235, 309692), (278, 261790), (470, 154846), (556, 130895), (557, 130660), (695, 104716), (940, 77423), (1114, 65330), (1390, 52358), (2228, 32665), (2780, 26179), (2785, 26132), (5570, 13066), (6533, 11140)]