201969740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1442641}}^1$

素因数の和:1442657

約数の個数: 24

約数和(自身を含む): 484727712

約数和(自身を除く): 282757972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1442641, 2885282, 5770564, 7213205, 10098487, 14426410, 20196974, 28852820, 40393948, 50492435, 100984870, 201969740]

約数ペア:

[(1, 201969740), (2, 100984870), (4, 50492435), (5, 40393948), (7, 28852820), (10, 20196974), (14, 14426410), (20, 10098487), (28, 7213205), (35, 5770564), (70, 2885282), (140, 1442641)]