140845740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{335347}}^1$

素因数の和:335366

約数の個数: 48

約数和(自身を含む): 450707712

約数和(自身を除く): 309861972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 335347, 670694, 1006041, 1341388, 1676735, 2012082, 2347429, 3353470, 4024164, 4694858, 5030205, 6706940, 7042287, 9389716, 10060410, 11737145, 14084574, 20120820, 23474290, 28169148, 35211435, 46948580, 70422870, 140845740]

約数ペア:

[(1, 140845740), (2, 70422870), (3, 46948580), (4, 35211435), (5, 28169148), (6, 23474290), (7, 20120820), (10, 14084574), (12, 11737145), (14, 10060410), (15, 9389716), (20, 7042287), (21, 6706940), (28, 5030205), (30, 4694858), (35, 4024164), (42, 3353470), (60, 2347429), (70, 2012082), (84, 1676735), (105, 1341388), (140, 1006041), (210, 670694), (420, 335347)]