7393940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 16257024

約数和(自身を除く): 8863084

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 127, 142, 164, 205, 254, 284, 355, 410, 508, 635, 710, 820, 1270, 1420, 2540, 2911, 5207, 5822, 9017, 10414, 11644, 14555, 18034, 20828, 26035, 29110, 36068, 45085, 52070, 58220, 90170, 104140, 180340, 369697, 739394, 1478788, 1848485, 3696970, 7393940]

約数ペア:

[(1, 7393940), (2, 3696970), (4, 1848485), (5, 1478788), (10, 739394), (20, 369697), (41, 180340), (71, 104140), (82, 90170), (127, 58220), (142, 52070), (164, 45085), (205, 36068), (254, 29110), (284, 26035), (355, 20828), (410, 18034), (508, 14555), (635, 11644), (710, 10414), (820, 9017), (1270, 5822), (1420, 5207), (2540, 2911)]