42538020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101281}}^1$

素因数の和:101300

約数の個数: 48

約数和(自身を含む): 136123008

約数和(自身を除く): 93584988

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, 101281, 202562, 303843, 405124, 506405, 607686, 708967, 1012810, 1215372, 1417934, 1519215, 2025620, 2126901, 2835868, 3038430, 3544835, 4253802, 6076860, 7089670, 8507604, 10634505, 14179340, 21269010, 42538020]

約数ペア:

[(1, 42538020), (2, 21269010), (3, 14179340), (4, 10634505), (5, 8507604), (6, 7089670), (7, 6076860), (10, 4253802), (12, 3544835), (14, 3038430), (15, 2835868), (20, 2126901), (21, 2025620), (28, 1519215), (30, 1417934), (35, 1215372), (42, 1012810), (60, 708967), (70, 607686), (84, 506405), (105, 405124), (140, 303843), (210, 202562), (420, 101281)]