490720000

素因数分解:

$2^8\times 5^4\times {\mathrm{3067}}^1$

素因数の和:3103

約数の個数: 90

約数和(自身を含む): 1224411188

約数和(自身を除く): 733691188

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, 2000, 2500, 3067, 3200, 4000, 5000, 6134, 6400, 8000, 10000, 12268, 15335, 16000, 20000, 24536, 30670, 32000, 40000, 49072, 61340, 76675, 80000, 98144, 122680, 153350, 160000, 196288, 245360, 306700, 383375, 392576, 490720, 613400, 766750, 785152, 981440, 1226800, 1533500, 1916875, 1962880, 2453600, 3067000, 3833750, 3925760, 4907200, 6134000, 7667500, 9814400, 12268000, 15335000, 19628800, 24536000, 30670000, 49072000, 61340000, 98144000, 122680000, 245360000, 490720000]

約数ペア:

[(1, 490720000), (2, 245360000), (4, 122680000), (5, 98144000), (8, 61340000), (10, 49072000), (16, 30670000), (20, 24536000), (25, 19628800), (32, 15335000), (40, 12268000), (50, 9814400), (64, 7667500), (80, 6134000), (100, 4907200), (125, 3925760), (128, 3833750), (160, 3067000), (200, 2453600), (250, 1962880), (256, 1916875), (320, 1533500), (400, 1226800), (500, 981440), (625, 785152), (640, 766750), (800, 613400), (1000, 490720), (1250, 392576), (1280, 383375), (1600, 306700), (2000, 245360), (2500, 196288), (3067, 160000), (3200, 153350), (4000, 122680), (5000, 98144), (6134, 80000), (6400, 76675), (8000, 61340), (10000, 49072), (12268, 40000), (15335, 32000), (16000, 30670), (20000, 24536)]