389962010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{16787}}^1$

素因数の和:16918

約数の個数: 32

約数和(自身を含む): 739746432

約数和(自身を除く): 349784422

約数列:

[1, 2, 5, 10, 23, 46, 101, 115, 202, 230, 505, 1010, 2323, 4646, 11615, 16787, 23230, 33574, 83935, 167870, 386101, 772202, 1695487, 1930505, 3390974, 3861010, 8477435, 16954870, 38996201, 77992402, 194981005, 389962010]

約数ペア:

[(1, 389962010), (2, 194981005), (5, 77992402), (10, 38996201), (23, 16954870), (46, 8477435), (101, 3861010), (115, 3390974), (202, 1930505), (230, 1695487), (505, 772202), (1010, 386101), (2323, 167870), (4646, 83935), (11615, 33574), (16787, 23230)]