140381420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3863}}^1$

素因数の和:3974

約数の個数: 48

約数和(自身を含む): 311592960

約数和(自身を除く): 171211540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 3634, 3863, 7268, 7726, 9085, 15452, 18170, 19315, 36340, 38630, 77260, 88849, 177698, 305177, 355396, 444245, 610354, 888490, 1220708, 1525885, 1776980, 3051770, 6103540, 7019071, 14038142, 28076284, 35095355, 70190710, 140381420]

約数ペア:

[(1, 140381420), (2, 70190710), (4, 35095355), (5, 28076284), (10, 14038142), (20, 7019071), (23, 6103540), (46, 3051770), (79, 1776980), (92, 1525885), (115, 1220708), (158, 888490), (230, 610354), (316, 444245), (395, 355396), (460, 305177), (790, 177698), (1580, 88849), (1817, 77260), (3634, 38630), (3863, 36340), (7268, 19315), (7726, 18170), (9085, 15452)]