5474140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 13374144

約数和(自身を除く): 7900004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 641, 854, 1220, 1282, 1708, 2135, 2564, 3205, 4270, 4487, 6410, 8540, 8974, 12820, 17948, 22435, 39101, 44870, 78202, 89740, 156404, 195505, 273707, 391010, 547414, 782020, 1094828, 1368535, 2737070, 5474140]

約数ペア:

[(1, 5474140), (2, 2737070), (4, 1368535), (5, 1094828), (7, 782020), (10, 547414), (14, 391010), (20, 273707), (28, 195505), (35, 156404), (61, 89740), (70, 78202), (122, 44870), (140, 39101), (244, 22435), (305, 17948), (427, 12820), (610, 8974), (641, 8540), (854, 6410), (1220, 4487), (1282, 4270), (1708, 3205), (2135, 2564)]