206140375

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10243}}^1$

素因数の和:10288

約数の個数: 32

約数和(自身を含む): 306828288

約数和(自身を除く): 100687913

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 175, 575, 805, 875, 2875, 4025, 10243, 20125, 51215, 71701, 235589, 256075, 358505, 1177945, 1280375, 1649123, 1792525, 5889725, 8245615, 8962625, 29448625, 41228075, 206140375]

約数ペア:

[(1, 206140375), (5, 41228075), (7, 29448625), (23, 8962625), (25, 8245615), (35, 5889725), (115, 1792525), (125, 1649123), (161, 1280375), (175, 1177945), (575, 358505), (805, 256075), (875, 235589), (2875, 71701), (4025, 51215), (10243, 20125)]