261644000

素因数分解:

$2^5\times 5^3\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:613

約数の個数: 96

約数和(自身を含む): 648648000

約数和(自身を除く): 387004000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 149, 160, 200, 250, 298, 400, 439, 500, 596, 745, 800, 878, 1000, 1192, 1490, 1756, 2000, 2195, 2384, 2980, 3512, 3725, 4000, 4390, 4768, 5960, 7024, 7450, 8780, 10975, 11920, 14048, 14900, 17560, 18625, 21950, 23840, 29800, 35120, 37250, 43900, 54875, 59600, 65411, 70240, 74500, 87800, 109750, 119200, 130822, 149000, 175600, 219500, 261644, 298000, 327055, 351200, 439000, 523288, 596000, 654110, 878000, 1046576, 1308220, 1635275, 1756000, 2093152, 2616440, 3270550, 5232880, 6541100, 8176375, 10465760, 13082200, 16352750, 26164400, 32705500, 52328800, 65411000, 130822000, 261644000]

約数ペア:

[(1, 261644000), (2, 130822000), (4, 65411000), (5, 52328800), (8, 32705500), (10, 26164400), (16, 16352750), (20, 13082200), (25, 10465760), (32, 8176375), (40, 6541100), (50, 5232880), (80, 3270550), (100, 2616440), (125, 2093152), (149, 1756000), (160, 1635275), (200, 1308220), (250, 1046576), (298, 878000), (400, 654110), (439, 596000), (500, 523288), (596, 439000), (745, 351200), (800, 327055), (878, 298000), (1000, 261644), (1192, 219500), (1490, 175600), (1756, 149000), (2000, 130822), (2195, 119200), (2384, 109750), (2980, 87800), (3512, 74500), (3725, 70240), (4000, 65411), (4390, 59600), (4768, 54875), (5960, 43900), (7024, 37250), (7450, 35120), (8780, 29800), (10975, 23840), (11920, 21950), (14048, 18625), (14900, 17560)]