6407000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 15444000

約数和(自身を除く): 9037000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 149, 172, 200, 215, 250, 298, 344, 430, 500, 596, 745, 860, 1000, 1075, 1192, 1490, 1720, 2150, 2980, 3725, 4300, 5375, 5960, 6407, 7450, 8600, 10750, 12814, 14900, 18625, 21500, 25628, 29800, 32035, 37250, 43000, 51256, 64070, 74500, 128140, 149000, 160175, 256280, 320350, 640700, 800875, 1281400, 1601750, 3203500, 6407000]

約数ペア:

[(1, 6407000), (2, 3203500), (4, 1601750), (5, 1281400), (8, 800875), (10, 640700), (20, 320350), (25, 256280), (40, 160175), (43, 149000), (50, 128140), (86, 74500), (100, 64070), (125, 51256), (149, 43000), (172, 37250), (200, 32035), (215, 29800), (250, 25628), (298, 21500), (344, 18625), (430, 14900), (500, 12814), (596, 10750), (745, 8600), (860, 7450), (1000, 6407), (1075, 5960), (1192, 5375), (1490, 4300), (1720, 3725), (2150, 2980)]