78223420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{3323}}^1$

素因数の和:3450

約数の個数: 48

約数和(自身を含む): 180931968

約数和(自身を除く): 102708548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 2140, 2354, 3323, 4708, 5885, 6646, 11770, 13292, 16615, 23540, 33230, 36553, 66460, 73106, 146212, 182765, 355561, 365530, 711122, 731060, 1422244, 1777805, 3555610, 3911171, 7111220, 7822342, 15644684, 19555855, 39111710, 78223420]

約数ペア:

[(1, 78223420), (2, 39111710), (4, 19555855), (5, 15644684), (10, 7822342), (11, 7111220), (20, 3911171), (22, 3555610), (44, 1777805), (55, 1422244), (107, 731060), (110, 711122), (214, 365530), (220, 355561), (428, 182765), (535, 146212), (1070, 73106), (1177, 66460), (2140, 36553), (2354, 33230), (3323, 23540), (4708, 16615), (5885, 13292), (6646, 11770)]