12905900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 32497920

約数和(自身を除く): 19592020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 103, 140, 175, 179, 206, 350, 358, 412, 515, 700, 716, 721, 895, 1030, 1253, 1442, 1790, 2060, 2506, 2575, 2884, 3580, 3605, 4475, 5012, 5150, 6265, 7210, 8950, 10300, 12530, 14420, 17900, 18025, 18437, 25060, 31325, 36050, 36874, 62650, 72100, 73748, 92185, 125300, 129059, 184370, 258118, 368740, 460925, 516236, 645295, 921850, 1290590, 1843700, 2581180, 3226475, 6452950, 12905900]

約数ペア:

[(1, 12905900), (2, 6452950), (4, 3226475), (5, 2581180), (7, 1843700), (10, 1290590), (14, 921850), (20, 645295), (25, 516236), (28, 460925), (35, 368740), (50, 258118), (70, 184370), (100, 129059), (103, 125300), (140, 92185), (175, 73748), (179, 72100), (206, 62650), (350, 36874), (358, 36050), (412, 31325), (515, 25060), (700, 18437), (716, 18025), (721, 17900), (895, 14420), (1030, 12530), (1253, 10300), (1442, 8950), (1790, 7210), (2060, 6265), (2506, 5150), (2575, 5012), (2884, 4475), (3580, 3605)]