840235900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{709}}^1\times {\mathrm{1693}}^1$

素因数の和:2423

約数の個数: 72

約数和(自身を含む): 2087956640

約数和(自身を除く): 1247720740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 709, 1418, 1693, 2836, 3386, 3545, 4963, 6772, 7090, 8465, 9926, 11851, 14180, 16930, 17725, 19852, 23702, 24815, 33860, 35450, 42325, 47404, 49630, 59255, 70900, 84650, 99260, 118510, 124075, 169300, 237020, 248150, 296275, 496300, 592550, 1185100, 1200337, 2400674, 4801348, 6001685, 8402359, 12003370, 16804718, 24006740, 30008425, 33609436, 42011795, 60016850, 84023590, 120033700, 168047180, 210058975, 420117950, 840235900]

約数ペア:

[(1, 840235900), (2, 420117950), (4, 210058975), (5, 168047180), (7, 120033700), (10, 84023590), (14, 60016850), (20, 42011795), (25, 33609436), (28, 30008425), (35, 24006740), (50, 16804718), (70, 12003370), (100, 8402359), (140, 6001685), (175, 4801348), (350, 2400674), (700, 1200337), (709, 1185100), (1418, 592550), (1693, 496300), (2836, 296275), (3386, 248150), (3545, 237020), (4963, 169300), (6772, 124075), (7090, 118510), (8465, 99260), (9926, 84650), (11851, 70900), (14180, 59255), (16930, 49630), (17725, 47404), (19852, 42325), (23702, 35450), (24815, 33860)]