1215940010

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1203901}}^1$

素因数の和:1204009

約数の個数: 16

約数和(自身を含む): 2210364072

約数和(自身を除く): 994424062

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 1203901, 2407802, 6019505, 12039010, 121594001, 243188002, 607970005, 1215940010]

約数ペア:

[(1, 1215940010), (2, 607970005), (5, 243188002), (10, 121594001), (101, 12039010), (202, 6019505), (505, 2407802), (1010, 1203901)]