201071990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{2083}}^1$

素因数の和:2301

約数の個数: 48

約数和(自身を含む): 423360432

約数和(自身を除く): 222288442

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 197, 245, 394, 490, 985, 1379, 1970, 2083, 2758, 4166, 6895, 9653, 10415, 13790, 14581, 19306, 20830, 29162, 48265, 72905, 96530, 102067, 145810, 204134, 410351, 510335, 820702, 1020670, 2051755, 2872457, 4103510, 5744914, 14362285, 20107199, 28724570, 40214398, 100535995, 201071990]

約数ペア:

[(1, 201071990), (2, 100535995), (5, 40214398), (7, 28724570), (10, 20107199), (14, 14362285), (35, 5744914), (49, 4103510), (70, 2872457), (98, 2051755), (197, 1020670), (245, 820702), (394, 510335), (490, 410351), (985, 204134), (1379, 145810), (1970, 102067), (2083, 96530), (2758, 72905), (4166, 48265), (6895, 29162), (9653, 20830), (10415, 19306), (13790, 14581)]