78817900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1033}}^1$

素因数の和:1163

約数の個数: 72

約数和(自身を含む): 197452640

約数和(自身を除く): 118634740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 109, 140, 175, 218, 350, 436, 545, 700, 763, 1033, 1090, 1526, 2066, 2180, 2725, 3052, 3815, 4132, 5165, 5450, 7231, 7630, 10330, 10900, 14462, 15260, 19075, 20660, 25825, 28924, 36155, 38150, 51650, 72310, 76300, 103300, 112597, 144620, 180775, 225194, 361550, 450388, 562985, 723100, 788179, 1125970, 1576358, 2251940, 2814925, 3152716, 3940895, 5629850, 7881790, 11259700, 15763580, 19704475, 39408950, 78817900]

約数ペア:

[(1, 78817900), (2, 39408950), (4, 19704475), (5, 15763580), (7, 11259700), (10, 7881790), (14, 5629850), (20, 3940895), (25, 3152716), (28, 2814925), (35, 2251940), (50, 1576358), (70, 1125970), (100, 788179), (109, 723100), (140, 562985), (175, 450388), (218, 361550), (350, 225194), (436, 180775), (545, 144620), (700, 112597), (763, 103300), (1033, 76300), (1090, 72310), (1526, 51650), (2066, 38150), (2180, 36155), (2725, 28924), (3052, 25825), (3815, 20660), (4132, 19075), (5165, 15260), (5450, 14462), (7231, 10900), (7630, 10330)]