401381000140

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{2011}}^1\times {\mathrm{11251}}^1$

素因数の和:14158

約数の個数: 48

約数和(自身を含む): 844345039104

約数和(自身を除く): 442964038964

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 2011, 3548, 4022, 4435, 8044, 8870, 10055, 11251, 17740, 20110, 22502, 40220, 45004, 56255, 112510, 225020, 1783757, 3567514, 7135028, 8918785, 9979637, 17837570, 19959274, 22625761, 35675140, 39918548, 45251522, 49898185, 90503044, 99796370, 113128805, 199592740, 226257610, 452515220, 20069050007, 40138100014, 80276200028, 100345250035, 200690500070, 401381000140]

約数ペア:

[(1, 401381000140), (2, 200690500070), (4, 100345250035), (5, 80276200028), (10, 40138100014), (20, 20069050007), (887, 452515220), (1774, 226257610), (2011, 199592740), (3548, 113128805), (4022, 99796370), (4435, 90503044), (8044, 49898185), (8870, 45251522), (10055, 39918548), (11251, 35675140), (17740, 22625761), (20110, 19959274), (22502, 17837570), (40220, 9979637), (45004, 8918785), (56255, 7135028), (112510, 3567514), (225020, 1783757)]