243298020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{579281}}^1$

素因数の和:579300

約数の個数: 48

約数和(自身を含む): 778555008

約数和(自身を除く): 535256988

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, 579281, 1158562, 1737843, 2317124, 2896405, 3475686, 4054967, 5792810, 6951372, 8109934, 8689215, 11585620, 12164901, 16219868, 17378430, 20274835, 24329802, 34756860, 40549670, 48659604, 60824505, 81099340, 121649010, 243298020]

約数ペア:

[(1, 243298020), (2, 121649010), (3, 81099340), (4, 60824505), (5, 48659604), (6, 40549670), (7, 34756860), (10, 24329802), (12, 20274835), (14, 17378430), (15, 16219868), (20, 12164901), (21, 11585620), (28, 8689215), (30, 8109934), (35, 6951372), (42, 5792810), (60, 4054967), (70, 3475686), (84, 2896405), (105, 2317124), (140, 1737843), (210, 1158562), (420, 579281)]