66860990

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 142473600

約数和(自身を除く): 75612610

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 101, 193, 202, 245, 343, 386, 490, 505, 686, 707, 965, 1010, 1351, 1414, 1715, 1930, 2702, 3430, 3535, 4949, 6755, 7070, 9457, 9898, 13510, 18914, 19493, 24745, 34643, 38986, 47285, 49490, 66199, 69286, 94570, 97465, 132398, 136451, 173215, 194930, 272902, 330995, 346430, 661990, 682255, 955157, 1364510, 1910314, 4775785, 6686099, 9551570, 13372198, 33430495, 66860990]

約数ペア:

[(1, 66860990), (2, 33430495), (5, 13372198), (7, 9551570), (10, 6686099), (14, 4775785), (35, 1910314), (49, 1364510), (70, 955157), (98, 682255), (101, 661990), (193, 346430), (202, 330995), (245, 272902), (343, 194930), (386, 173215), (490, 136451), (505, 132398), (686, 97465), (707, 94570), (965, 69286), (1010, 66199), (1351, 49490), (1414, 47285), (1715, 38986), (1930, 34643), (2702, 24745), (3430, 19493), (3535, 18914), (4949, 13510), (6755, 9898), (7070, 9457)]