71368420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{123049}}^1$

素因数の和:123087

約数の個数: 24

約数和(自身を含む): 155043000

約数和(自身を除く): 83674580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 123049, 246098, 492196, 615245, 1230490, 2460980, 3568421, 7136842, 14273684, 17842105, 35684210, 71368420]

約数ペア:

[(1, 71368420), (2, 35684210), (4, 17842105), (5, 14273684), (10, 7136842), (20, 3568421), (29, 2460980), (58, 1230490), (116, 615245), (145, 492196), (290, 246098), (580, 123049)]