198755000

素因数分解:

$2^3\times 5^4\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:466

約数の個数: 80

約数和(自身を含む): 470849280

約数和(自身を除く): 272094280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 127, 200, 250, 254, 313, 500, 508, 625, 626, 635, 1000, 1016, 1250, 1252, 1270, 1565, 2500, 2504, 2540, 3130, 3175, 5000, 5080, 6260, 6350, 7825, 12520, 12700, 15650, 15875, 25400, 31300, 31750, 39125, 39751, 62600, 63500, 78250, 79375, 79502, 127000, 156500, 158750, 159004, 195625, 198755, 313000, 317500, 318008, 391250, 397510, 635000, 782500, 795020, 993775, 1565000, 1590040, 1987550, 3975100, 4968875, 7950200, 9937750, 19875500, 24844375, 39751000, 49688750, 99377500, 198755000]

約数ペア:

[(1, 198755000), (2, 99377500), (4, 49688750), (5, 39751000), (8, 24844375), (10, 19875500), (20, 9937750), (25, 7950200), (40, 4968875), (50, 3975100), (100, 1987550), (125, 1590040), (127, 1565000), (200, 993775), (250, 795020), (254, 782500), (313, 635000), (500, 397510), (508, 391250), (625, 318008), (626, 317500), (635, 313000), (1000, 198755), (1016, 195625), (1250, 159004), (1252, 158750), (1270, 156500), (1565, 127000), (2500, 79502), (2504, 79375), (2540, 78250), (3130, 63500), (3175, 62600), (5000, 39751), (5080, 39125), (6260, 31750), (6350, 31300), (7825, 25400), (12520, 15875), (12700, 15650)]