207085000

素因数分解:

$2^3\times 5^4\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:608

約数の個数: 80

約数和(自身を含む): 492030000

約数和(自身を除く): 284945000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 125, 166, 200, 250, 332, 415, 499, 500, 625, 664, 830, 998, 1000, 1250, 1660, 1996, 2075, 2495, 2500, 3320, 3992, 4150, 4990, 5000, 8300, 9980, 10375, 12475, 16600, 19960, 20750, 24950, 41417, 41500, 49900, 51875, 62375, 82834, 83000, 99800, 103750, 124750, 165668, 207085, 207500, 249500, 311875, 331336, 414170, 415000, 499000, 623750, 828340, 1035425, 1247500, 1656680, 2070850, 2495000, 4141700, 5177125, 8283400, 10354250, 20708500, 25885625, 41417000, 51771250, 103542500, 207085000]

約数ペア:

[(1, 207085000), (2, 103542500), (4, 51771250), (5, 41417000), (8, 25885625), (10, 20708500), (20, 10354250), (25, 8283400), (40, 5177125), (50, 4141700), (83, 2495000), (100, 2070850), (125, 1656680), (166, 1247500), (200, 1035425), (250, 828340), (332, 623750), (415, 499000), (499, 415000), (500, 414170), (625, 331336), (664, 311875), (830, 249500), (998, 207500), (1000, 207085), (1250, 165668), (1660, 124750), (1996, 103750), (2075, 99800), (2495, 83000), (2500, 82834), (3320, 62375), (3992, 51875), (4150, 49900), (4990, 41500), (5000, 41417), (8300, 24950), (9980, 20750), (10375, 19960), (12475, 16600)]