206940940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{5869}}^1$

素因数の和:5962

約数の個数: 48

約数和(自身を含む): 455605920

約数和(自身を除く): 248664980

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 5869, 7052, 8815, 11738, 17630, 23476, 29345, 35260, 58690, 117380, 240629, 252367, 481258, 504734, 962516, 1009468, 1203145, 1261835, 2406290, 2523670, 4812580, 5047340, 10347047, 20694094, 41388188, 51735235, 103470470, 206940940]

約数ペア:

[(1, 206940940), (2, 103470470), (4, 51735235), (5, 41388188), (10, 20694094), (20, 10347047), (41, 5047340), (43, 4812580), (82, 2523670), (86, 2406290), (164, 1261835), (172, 1203145), (205, 1009468), (215, 962516), (410, 504734), (430, 481258), (820, 252367), (860, 240629), (1763, 117380), (3526, 58690), (5869, 35260), (7052, 29345), (8815, 23476), (11738, 17630)]