311095580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{2389}}^1$

素因数の和:2798

約数の個数: 48

約数和(自身を含む): 693826560

約数和(自身を除く): 382730980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 383, 766, 1532, 1915, 2389, 3830, 4778, 6511, 7660, 9556, 11945, 13022, 23890, 26044, 32555, 40613, 47780, 65110, 81226, 130220, 162452, 203065, 406130, 812260, 914987, 1829974, 3659948, 4574935, 9149870, 15554779, 18299740, 31109558, 62219116, 77773895, 155547790, 311095580]

約数ペア:

[(1, 311095580), (2, 155547790), (4, 77773895), (5, 62219116), (10, 31109558), (17, 18299740), (20, 15554779), (34, 9149870), (68, 4574935), (85, 3659948), (170, 1829974), (340, 914987), (383, 812260), (766, 406130), (1532, 203065), (1915, 162452), (2389, 130220), (3830, 81226), (4778, 65110), (6511, 47780), (7660, 40613), (9556, 32555), (11945, 26044), (13022, 23890)]