206777800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1091

約数の個数: 96

約数和(自身を含む): 517902120

約数和(自身を除く): 311124320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 61, 68, 85, 100, 122, 136, 170, 200, 244, 305, 340, 425, 488, 610, 680, 850, 997, 1037, 1220, 1525, 1700, 1994, 2074, 2440, 3050, 3400, 3988, 4148, 4985, 5185, 6100, 7976, 8296, 9970, 10370, 12200, 16949, 19940, 20740, 24925, 25925, 33898, 39880, 41480, 49850, 51850, 60817, 67796, 84745, 99700, 103700, 121634, 135592, 169490, 199400, 207400, 243268, 304085, 338980, 423725, 486536, 608170, 677960, 847450, 1033889, 1216340, 1520425, 1694900, 2067778, 2432680, 3040850, 3389800, 4135556, 5169445, 6081700, 8271112, 10338890, 12163400, 20677780, 25847225, 41355560, 51694450, 103388900, 206777800]

約数ペア:

[(1, 206777800), (2, 103388900), (4, 51694450), (5, 41355560), (8, 25847225), (10, 20677780), (17, 12163400), (20, 10338890), (25, 8271112), (34, 6081700), (40, 5169445), (50, 4135556), (61, 3389800), (68, 3040850), (85, 2432680), (100, 2067778), (122, 1694900), (136, 1520425), (170, 1216340), (200, 1033889), (244, 847450), (305, 677960), (340, 608170), (425, 486536), (488, 423725), (610, 338980), (680, 304085), (850, 243268), (997, 207400), (1037, 199400), (1220, 169490), (1525, 135592), (1700, 121634), (1994, 103700), (2074, 99700), (2440, 84745), (3050, 67796), (3400, 60817), (3988, 51850), (4148, 49850), (4985, 41480), (5185, 39880), (6100, 33898), (7976, 25925), (8296, 24925), (9970, 20740), (10370, 19940), (12200, 16949)]