78348100

素因数分解:

$2^2\times 5^2\times {\mathrm{421}}^1\times {\mathrm{1861}}^1$

素因数の和:2296

約数の個数: 36

約数和(自身を含む): 170510788

約数和(自身を除く): 92162688

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 421, 842, 1684, 1861, 2105, 3722, 4210, 7444, 8420, 9305, 10525, 18610, 21050, 37220, 42100, 46525, 93050, 186100, 783481, 1566962, 3133924, 3917405, 7834810, 15669620, 19587025, 39174050, 78348100]

約数ペア:

[(1, 78348100), (2, 39174050), (4, 19587025), (5, 15669620), (10, 7834810), (20, 3917405), (25, 3133924), (50, 1566962), (100, 783481), (421, 186100), (842, 93050), (1684, 46525), (1861, 42100), (2105, 37220), (3722, 21050), (4210, 18610), (7444, 10525), (8420, 9305)]