81857300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{347}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 204195264

約数和(自身を除く): 122337964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 337, 347, 350, 674, 694, 700, 1348, 1388, 1685, 1735, 2359, 2429, 3370, 3470, 4718, 4858, 6740, 6940, 8425, 8675, 9436, 9716, 11795, 12145, 16850, 17350, 23590, 24290, 33700, 34700, 47180, 48580, 58975, 60725, 116939, 117950, 121450, 233878, 235900, 242900, 467756, 584695, 818573, 1169390, 1637146, 2338780, 2923475, 3274292, 4092865, 5846950, 8185730, 11693900, 16371460, 20464325, 40928650, 81857300]

約数ペア:

[(1, 81857300), (2, 40928650), (4, 20464325), (5, 16371460), (7, 11693900), (10, 8185730), (14, 5846950), (20, 4092865), (25, 3274292), (28, 2923475), (35, 2338780), (50, 1637146), (70, 1169390), (100, 818573), (140, 584695), (175, 467756), (337, 242900), (347, 235900), (350, 233878), (674, 121450), (694, 117950), (700, 116939), (1348, 60725), (1388, 58975), (1685, 48580), (1735, 47180), (2359, 34700), (2429, 33700), (3370, 24290), (3470, 23590), (4718, 17350), (4858, 16850), (6740, 12145), (6940, 11795), (8425, 9716), (8675, 9436)]