28107400

素因数分解:

$2^3\times 5^2\times {\mathrm{313}}^1\times {\mathrm{449}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 65704500

約数和(自身を除く): 37597100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 313, 449, 626, 898, 1252, 1565, 1796, 2245, 2504, 3130, 3592, 4490, 6260, 7825, 8980, 11225, 12520, 15650, 17960, 22450, 31300, 44900, 62600, 89800, 140537, 281074, 562148, 702685, 1124296, 1405370, 2810740, 3513425, 5621480, 7026850, 14053700, 28107400]

約数ペア:

[(1, 28107400), (2, 14053700), (4, 7026850), (5, 5621480), (8, 3513425), (10, 2810740), (20, 1405370), (25, 1124296), (40, 702685), (50, 562148), (100, 281074), (200, 140537), (313, 89800), (449, 62600), (626, 44900), (898, 31300), (1252, 22450), (1565, 17960), (1796, 15650), (2245, 12520), (2504, 11225), (3130, 8980), (3592, 7825), (4490, 6260)]