278375210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{8123}}^1$

素因数の和:8302

約数の個数: 32

約数和(自身を含む): 526435200

約数和(自身を除く): 248059990

約数列:

[1, 2, 5, 10, 23, 46, 115, 149, 230, 298, 745, 1490, 3427, 6854, 8123, 16246, 17135, 34270, 40615, 81230, 186829, 373658, 934145, 1210327, 1868290, 2420654, 6051635, 12103270, 27837521, 55675042, 139187605, 278375210]

約数ペア:

[(1, 278375210), (2, 139187605), (5, 55675042), (10, 27837521), (23, 12103270), (46, 6051635), (115, 2420654), (149, 1868290), (230, 1210327), (298, 934145), (745, 373658), (1490, 186829), (3427, 81230), (6854, 40615), (8123, 34270), (16246, 17135)]