64198460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 148538880

約数和(自身を除く): 84340420

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 289, 290, 340, 383, 493, 578, 580, 766, 986, 1156, 1445, 1532, 1915, 1972, 2465, 2890, 3830, 4930, 5780, 6511, 7660, 8381, 9860, 11107, 13022, 16762, 22214, 26044, 32555, 33524, 41905, 44428, 55535, 65110, 83810, 110687, 111070, 130220, 167620, 188819, 221374, 222140, 377638, 442748, 553435, 755276, 944095, 1106870, 1888190, 2213740, 3209923, 3776380, 6419846, 12839692, 16049615, 32099230, 64198460]

約数ペア:

[(1, 64198460), (2, 32099230), (4, 16049615), (5, 12839692), (10, 6419846), (17, 3776380), (20, 3209923), (29, 2213740), (34, 1888190), (58, 1106870), (68, 944095), (85, 755276), (116, 553435), (145, 442748), (170, 377638), (289, 222140), (290, 221374), (340, 188819), (383, 167620), (493, 130220), (578, 111070), (580, 110687), (766, 83810), (986, 65110), (1156, 55535), (1445, 44428), (1532, 41905), (1915, 33524), (1972, 32555), (2465, 26044), (2890, 22214), (3830, 16762), (4930, 13022), (5780, 11107), (6511, 9860), (7660, 8381)]