31450580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{811}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 75847296

約数和(自身を除く): 44396716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 811, 1108, 1385, 1622, 1939, 2770, 3244, 3878, 4055, 5540, 5677, 7756, 8110, 9695, 11354, 16220, 19390, 22708, 28385, 38780, 56770, 113540, 224647, 449294, 898588, 1123235, 1572529, 2246470, 3145058, 4492940, 6290116, 7862645, 15725290, 31450580]

約数ペア:

[(1, 31450580), (2, 15725290), (4, 7862645), (5, 6290116), (7, 4492940), (10, 3145058), (14, 2246470), (20, 1572529), (28, 1123235), (35, 898588), (70, 449294), (140, 224647), (277, 113540), (554, 56770), (811, 38780), (1108, 28385), (1385, 22708), (1622, 19390), (1939, 16220), (2770, 11354), (3244, 9695), (3878, 8110), (4055, 7756), (5540, 5677)]