244992080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1811}}^1$

素因数の和:1932

約数の個数: 80

約数和(自身を含む): 606657600

約数和(自身を除く): 361665520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 445, 712, 760, 890, 1424, 1520, 1691, 1780, 1811, 3382, 3560, 3622, 6764, 7120, 7244, 8455, 9055, 13528, 14488, 16910, 18110, 27056, 28976, 33820, 34409, 36220, 67640, 68818, 72440, 135280, 137636, 144880, 161179, 172045, 275272, 322358, 344090, 550544, 644716, 688180, 805895, 1289432, 1376360, 1611790, 2578864, 2752720, 3062401, 3223580, 6124802, 6447160, 12249604, 12894320, 15312005, 24499208, 30624010, 48998416, 61248020, 122496040, 244992080]

約数ペア:

[(1, 244992080), (2, 122496040), (4, 61248020), (5, 48998416), (8, 30624010), (10, 24499208), (16, 15312005), (19, 12894320), (20, 12249604), (38, 6447160), (40, 6124802), (76, 3223580), (80, 3062401), (89, 2752720), (95, 2578864), (152, 1611790), (178, 1376360), (190, 1289432), (304, 805895), (356, 688180), (380, 644716), (445, 550544), (712, 344090), (760, 322358), (890, 275272), (1424, 172045), (1520, 161179), (1691, 144880), (1780, 137636), (1811, 135280), (3382, 72440), (3560, 68818), (3622, 67640), (6764, 36220), (7120, 34409), (7244, 33820), (8455, 28976), (9055, 27056), (13528, 18110), (14488, 16910)]