1398492050

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{397}}^1\times {\mathrm{1499}}^1$

素因数の和:1955

約数の個数: 48

約数和(自身を含む): 2665008000

約数和(自身を除く): 1266515950

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 397, 470, 794, 1175, 1499, 1985, 2350, 2998, 3970, 7495, 9925, 14990, 18659, 19850, 37318, 37475, 70453, 74950, 93295, 140906, 186590, 352265, 466475, 595103, 704530, 932950, 1190206, 1761325, 2975515, 3522650, 5951030, 14877575, 27969841, 29755150, 55939682, 139849205, 279698410, 699246025, 1398492050]

約数ペア:

[(1, 1398492050), (2, 699246025), (5, 279698410), (10, 139849205), (25, 55939682), (47, 29755150), (50, 27969841), (94, 14877575), (235, 5951030), (397, 3522650), (470, 2975515), (794, 1761325), (1175, 1190206), (1499, 932950), (1985, 704530), (2350, 595103), (2998, 466475), (3970, 352265), (7495, 186590), (9925, 140906), (14990, 93295), (18659, 74950), (19850, 70453), (37318, 37475)]