397510000

素因数分解:

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

素因数の和:468

約数の個数: 100

約数和(自身を含む): 973088512

約数和(自身を除く): 575578512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 127, 200, 250, 254, 313, 400, 500, 508, 625, 626, 635, 1000, 1016, 1250, 1252, 1270, 1565, 2000, 2032, 2500, 2504, 2540, 3130, 3175, 5000, 5008, 5080, 6260, 6350, 7825, 10000, 10160, 12520, 12700, 15650, 15875, 25040, 25400, 31300, 31750, 39125, 39751, 50800, 62600, 63500, 78250, 79375, 79502, 125200, 127000, 156500, 158750, 159004, 195625, 198755, 254000, 313000, 317500, 318008, 391250, 397510, 626000, 635000, 636016, 782500, 795020, 993775, 1270000, 1565000, 1590040, 1987550, 3130000, 3180080, 3975100, 4968875, 7950200, 9937750, 15900400, 19875500, 24844375, 39751000, 49688750, 79502000, 99377500, 198755000, 397510000]

約数ペア:

[(1, 397510000), (2, 198755000), (4, 99377500), (5, 79502000), (8, 49688750), (10, 39751000), (16, 24844375), (20, 19875500), (25, 15900400), (40, 9937750), (50, 7950200), (80, 4968875), (100, 3975100), (125, 3180080), (127, 3130000), (200, 1987550), (250, 1590040), (254, 1565000), (313, 1270000), (400, 993775), (500, 795020), (508, 782500), (625, 636016), (626, 635000), (635, 626000), (1000, 397510), (1016, 391250), (1250, 318008), (1252, 317500), (1270, 313000), (1565, 254000), (2000, 198755), (2032, 195625), (2500, 159004), (2504, 158750), (2540, 156500), (3130, 127000), (3175, 125200), (5000, 79502), (5008, 79375), (5080, 78250), (6260, 63500), (6350, 62600), (7825, 50800), (10000, 39751), (10160, 39125), (12520, 31750), (12700, 31300), (15650, 25400), (15875, 25040)]