216824360

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{31333}}^1$

素因数の和:31517

約数の個数: 32

約数和(自身を含む): 490690440

約数和(自身を除く): 273866080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 31333, 62666, 125332, 156665, 250664, 313330, 626660, 1253320, 5420609, 10841218, 21682436, 27103045, 43364872, 54206090, 108412180, 216824360]

約数ペア:

[(1, 216824360), (2, 108412180), (4, 54206090), (5, 43364872), (8, 27103045), (10, 21682436), (20, 10841218), (40, 5420609), (173, 1253320), (346, 626660), (692, 313330), (865, 250664), (1384, 156665), (1730, 125332), (3460, 62666), (6920, 31333)]