1405900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{827}}^1$

素因数の和:858

約数の個数: 36

約数和(自身を含む): 3234168

約数和(自身を除く): 1828268

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 827, 850, 1654, 1700, 3308, 4135, 8270, 14059, 16540, 20675, 28118, 41350, 56236, 70295, 82700, 140590, 281180, 351475, 702950, 1405900]

約数ペア:

[(1, 1405900), (2, 702950), (4, 351475), (5, 281180), (10, 140590), (17, 82700), (20, 70295), (25, 56236), (34, 41350), (50, 28118), (68, 20675), (85, 16540), (100, 14059), (170, 8270), (340, 4135), (425, 3308), (827, 1700), (850, 1654)]