6990940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 16410240

約数和(自身を除く): 9419300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 739, 860, 946, 1478, 1892, 2365, 2956, 3695, 4730, 7390, 8129, 9460, 14780, 16258, 31777, 32516, 40645, 63554, 81290, 127108, 158885, 162580, 317770, 349547, 635540, 699094, 1398188, 1747735, 3495470, 6990940]

約数ペア:

[(1, 6990940), (2, 3495470), (4, 1747735), (5, 1398188), (10, 699094), (11, 635540), (20, 349547), (22, 317770), (43, 162580), (44, 158885), (55, 127108), (86, 81290), (110, 63554), (172, 40645), (215, 32516), (220, 31777), (430, 16258), (473, 14780), (739, 9460), (860, 8129), (946, 7390), (1478, 4730), (1892, 3695), (2365, 2956)]