68939570

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 146880000

約数和(自身を除く): 77940430

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 101, 199, 202, 245, 343, 398, 490, 505, 686, 707, 995, 1010, 1393, 1414, 1715, 1990, 2786, 3430, 3535, 4949, 6965, 7070, 9751, 9898, 13930, 19502, 20099, 24745, 34643, 40198, 48755, 49490, 68257, 69286, 97510, 100495, 136514, 140693, 173215, 200990, 281386, 341285, 346430, 682570, 703465, 984851, 1406930, 1969702, 4924255, 6893957, 9848510, 13787914, 34469785, 68939570]

約数ペア:

[(1, 68939570), (2, 34469785), (5, 13787914), (7, 9848510), (10, 6893957), (14, 4924255), (35, 1969702), (49, 1406930), (70, 984851), (98, 703465), (101, 682570), (199, 346430), (202, 341285), (245, 281386), (343, 200990), (398, 173215), (490, 140693), (505, 136514), (686, 100495), (707, 97510), (995, 69286), (1010, 68257), (1393, 49490), (1414, 48755), (1715, 40198), (1990, 34643), (2786, 24745), (3430, 20099), (3535, 19502), (4949, 13930), (6965, 9898), (7070, 9751)]