170889740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{28387}}^1$

素因数の和:28446

約数の個数: 48

約数和(自身を含む): 419688192

約数和(自身を除く): 248798452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 28387, 56774, 113548, 141935, 198709, 283870, 397418, 567740, 794836, 993545, 1220641, 1987090, 2441282, 3974180, 4882564, 6103205, 8544487, 12206410, 17088974, 24412820, 34177948, 42722435, 85444870, 170889740]

約数ペア:

[(1, 170889740), (2, 85444870), (4, 42722435), (5, 34177948), (7, 24412820), (10, 17088974), (14, 12206410), (20, 8544487), (28, 6103205), (35, 4882564), (43, 3974180), (70, 2441282), (86, 1987090), (140, 1220641), (172, 993545), (215, 794836), (301, 567740), (430, 397418), (602, 283870), (860, 198709), (1204, 141935), (1505, 113548), (3010, 56774), (6020, 28387)]