204045305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 289267200

約数和(自身を除く): 85221895

約数列:

[1, 5, 17, 23, 29, 59, 61, 85, 115, 145, 295, 305, 391, 493, 667, 1003, 1037, 1357, 1403, 1711, 1769, 1955, 2465, 3335, 3599, 5015, 5185, 6785, 7015, 8555, 8845, 11339, 17995, 23069, 23851, 29087, 30073, 39353, 40687, 56695, 61183, 82777, 104371, 115345, 119255, 145435, 150365, 196765, 203435, 305915, 413885, 521855, 669001, 691679, 1407209, 1774307, 2400533, 3345005, 3458395, 7036045, 8871535, 12002665, 40809061, 204045305]

約数ペア:

[(1, 204045305), (5, 40809061), (17, 12002665), (23, 8871535), (29, 7036045), (59, 3458395), (61, 3345005), (85, 2400533), (115, 1774307), (145, 1407209), (295, 691679), (305, 669001), (391, 521855), (493, 413885), (667, 305915), (1003, 203435), (1037, 196765), (1357, 150365), (1403, 145435), (1711, 119255), (1769, 115345), (1955, 104371), (2465, 82777), (3335, 61183), (3599, 56695), (5015, 40687), (5185, 39353), (6785, 30073), (7015, 29087), (8555, 23851), (8845, 23069), (11339, 17995)]