74570000

素因数分解:

$2^4\times 5^4\times {\mathrm{7457}}^1$

素因数の和:7485

約数の個数: 50

約数和(自身を含む): 180565638

約数和(自身を除く): 105995638

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 7457, 10000, 14914, 29828, 37285, 59656, 74570, 119312, 149140, 186425, 298280, 372850, 596560, 745700, 932125, 1491400, 1864250, 2982800, 3728500, 4660625, 7457000, 9321250, 14914000, 18642500, 37285000, 74570000]

約数ペア:

[(1, 74570000), (2, 37285000), (4, 18642500), (5, 14914000), (8, 9321250), (10, 7457000), (16, 4660625), (20, 3728500), (25, 2982800), (40, 1864250), (50, 1491400), (80, 932125), (100, 745700), (125, 596560), (200, 372850), (250, 298280), (400, 186425), (500, 149140), (625, 119312), (1000, 74570), (1250, 59656), (2000, 37285), (2500, 29828), (5000, 14914), (7457, 10000)]