28219650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{449}}^1$

素因数の和:883

約数の個数: 48

約数和(自身を含む): 70308000

約数和(自身を除く): 42088350

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 419, 449, 838, 898, 1257, 1347, 2095, 2245, 2514, 2694, 4190, 4490, 6285, 6735, 10475, 11225, 12570, 13470, 20950, 22450, 31425, 33675, 62850, 67350, 188131, 376262, 564393, 940655, 1128786, 1881310, 2821965, 4703275, 5643930, 9406550, 14109825, 28219650]

約数ペア:

[(1, 28219650), (2, 14109825), (3, 9406550), (5, 5643930), (6, 4703275), (10, 2821965), (15, 1881310), (25, 1128786), (30, 940655), (50, 564393), (75, 376262), (150, 188131), (419, 67350), (449, 62850), (838, 33675), (898, 31425), (1257, 22450), (1347, 20950), (2095, 13470), (2245, 12570), (2514, 11225), (2694, 10475), (4190, 6735), (4490, 6285)]