853253140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{3167}}^1$

素因数の和:3904

約数の個数: 48

約数和(自身を含む): 1889395200

約数和(自身を除く): 1036142060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 709, 1418, 2836, 3167, 3545, 6334, 7090, 12668, 13471, 14180, 15835, 26942, 31670, 53884, 60173, 63340, 67355, 120346, 134710, 240692, 269420, 300865, 601730, 1203460, 2245403, 4490806, 8981612, 11227015, 22454030, 42662657, 44908060, 85325314, 170650628, 213313285, 426626570, 853253140]

約数ペア:

[(1, 853253140), (2, 426626570), (4, 213313285), (5, 170650628), (10, 85325314), (19, 44908060), (20, 42662657), (38, 22454030), (76, 11227015), (95, 8981612), (190, 4490806), (380, 2245403), (709, 1203460), (1418, 601730), (2836, 300865), (3167, 269420), (3545, 240692), (6334, 134710), (7090, 120346), (12668, 67355), (13471, 63340), (14180, 60173), (15835, 53884), (26942, 31670)]