1999810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6451}}^1$

素因数の和:6489

約数の個数: 16

約数和(自身を含む): 3716352

約数和(自身を除く): 1716542

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 6451, 12902, 32255, 64510, 199981, 399962, 999905, 1999810]

約数ペア:

[(1, 1999810), (2, 999905), (5, 399962), (10, 199981), (31, 64510), (62, 32255), (155, 12902), (310, 6451)]