31417960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{112207}}^1$

素因数の和:112225

約数の個数: 32

約数和(自身を含む): 80789760

約数和(自身を除く): 49371800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 112207, 224414, 448828, 561035, 785449, 897656, 1122070, 1570898, 2244140, 3141796, 3927245, 4488280, 6283592, 7854490, 15708980, 31417960]

約数ペア:

[(1, 31417960), (2, 15708980), (4, 7854490), (5, 6283592), (7, 4488280), (8, 3927245), (10, 3141796), (14, 2244140), (20, 1570898), (28, 1122070), (35, 897656), (40, 785449), (56, 561035), (70, 448828), (140, 224414), (280, 112207)]