89798180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{617}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 199342080

約数和(自身を除く): 109543900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 383, 617, 766, 1234, 1532, 1915, 2468, 3085, 3830, 6170, 7277, 7660, 11723, 12340, 14554, 23446, 29108, 36385, 46892, 58615, 72770, 117230, 145540, 234460, 236311, 472622, 945244, 1181555, 2363110, 4489909, 4726220, 8979818, 17959636, 22449545, 44899090, 89798180]

約数ペア:

[(1, 89798180), (2, 44899090), (4, 22449545), (5, 17959636), (10, 8979818), (19, 4726220), (20, 4489909), (38, 2363110), (76, 1181555), (95, 945244), (190, 472622), (380, 236311), (383, 234460), (617, 145540), (766, 117230), (1234, 72770), (1532, 58615), (1915, 46892), (2468, 36385), (3085, 29108), (3830, 23446), (6170, 14554), (7277, 12340), (7660, 11723)]