170804780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{1019}}^1$

素因数の和:1091

約数の個数: 72

約数和(自身を含む): 394556400

約数和(自身を除く): 223751620

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 289, 290, 340, 493, 578, 580, 986, 1019, 1156, 1445, 1972, 2038, 2465, 2890, 4076, 4930, 5095, 5780, 8381, 9860, 10190, 16762, 17323, 20380, 29551, 33524, 34646, 41905, 59102, 69292, 83810, 86615, 118204, 147755, 167620, 173230, 294491, 295510, 346460, 502367, 588982, 591020, 1004734, 1177964, 1472455, 2009468, 2511835, 2944910, 5023670, 5889820, 8540239, 10047340, 17080478, 34160956, 42701195, 85402390, 170804780]

約数ペア:

[(1, 170804780), (2, 85402390), (4, 42701195), (5, 34160956), (10, 17080478), (17, 10047340), (20, 8540239), (29, 5889820), (34, 5023670), (58, 2944910), (68, 2511835), (85, 2009468), (116, 1472455), (145, 1177964), (170, 1004734), (289, 591020), (290, 588982), (340, 502367), (493, 346460), (578, 295510), (580, 294491), (986, 173230), (1019, 167620), (1156, 147755), (1445, 118204), (1972, 86615), (2038, 83810), (2465, 69292), (2890, 59102), (4076, 41905), (4930, 34646), (5095, 33524), (5780, 29551), (8381, 20380), (9860, 17323), (10190, 16762)]