87187870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{569}}^1$

素因数の和:793

約数の個数: 64

約数和(自身を含む): 196992000

約数和(自身を除く): 109804130

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 199, 385, 398, 569, 770, 995, 1138, 1393, 1990, 2189, 2786, 2845, 3983, 4378, 5690, 6259, 6965, 7966, 10945, 12518, 13930, 15323, 19915, 21890, 30646, 31295, 39830, 43813, 62590, 76615, 87626, 113231, 153230, 219065, 226462, 438130, 566155, 792617, 1132310, 1245541, 1585234, 2491082, 3963085, 6227705, 7926170, 8718787, 12455410, 17437574, 43593935, 87187870]

約数ペア:

[(1, 87187870), (2, 43593935), (5, 17437574), (7, 12455410), (10, 8718787), (11, 7926170), (14, 6227705), (22, 3963085), (35, 2491082), (55, 1585234), (70, 1245541), (77, 1132310), (110, 792617), (154, 566155), (199, 438130), (385, 226462), (398, 219065), (569, 153230), (770, 113231), (995, 87626), (1138, 76615), (1393, 62590), (1990, 43813), (2189, 39830), (2786, 31295), (2845, 30646), (3983, 21890), (4378, 19915), (5690, 15323), (6259, 13930), (6965, 12518), (7966, 10945)]