309280000

素因数分解:

$2^8\times 5^4\times {\mathrm{1933}}^1$

素因数の和:1969

約数の個数: 90

約数和(自身を含む): 771841994

約数和(自身を除く): 462561994

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 625, 640, 800, 1000, 1250, 1280, 1600, 1933, 2000, 2500, 3200, 3866, 4000, 5000, 6400, 7732, 8000, 9665, 10000, 15464, 16000, 19330, 20000, 30928, 32000, 38660, 40000, 48325, 61856, 77320, 80000, 96650, 123712, 154640, 160000, 193300, 241625, 247424, 309280, 386600, 483250, 494848, 618560, 773200, 966500, 1208125, 1237120, 1546400, 1933000, 2416250, 2474240, 3092800, 3866000, 4832500, 6185600, 7732000, 9665000, 12371200, 15464000, 19330000, 30928000, 38660000, 61856000, 77320000, 154640000, 309280000]

約数ペア:

[(1, 309280000), (2, 154640000), (4, 77320000), (5, 61856000), (8, 38660000), (10, 30928000), (16, 19330000), (20, 15464000), (25, 12371200), (32, 9665000), (40, 7732000), (50, 6185600), (64, 4832500), (80, 3866000), (100, 3092800), (125, 2474240), (128, 2416250), (160, 1933000), (200, 1546400), (250, 1237120), (256, 1208125), (320, 966500), (400, 773200), (500, 618560), (625, 494848), (640, 483250), (800, 386600), (1000, 309280), (1250, 247424), (1280, 241625), (1600, 193300), (1933, 160000), (2000, 154640), (2500, 123712), (3200, 96650), (3866, 80000), (4000, 77320), (5000, 61856), (6400, 48325), (7732, 40000), (8000, 38660), (9665, 32000), (10000, 30928), (15464, 20000), (16000, 19330)]