213743320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{763369}}^1$

素因数の和:763387

約数の個数: 32

約数和(自身を含む): 549626400

約数和(自身を除く): 335883080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 763369, 1526738, 3053476, 3816845, 5343583, 6106952, 7633690, 10687166, 15267380, 21374332, 26717915, 30534760, 42748664, 53435830, 106871660, 213743320]

約数ペア:

[(1, 213743320), (2, 106871660), (4, 53435830), (5, 42748664), (7, 30534760), (8, 26717915), (10, 21374332), (14, 15267380), (20, 10687166), (28, 7633690), (35, 6106952), (40, 5343583), (56, 3816845), (70, 3053476), (140, 1526738), (280, 763369)]