521569300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{2543}}^1$

素因数の和:2857

約数の個数: 72

約数和(自身を含む): 1298416896

約数和(自身を除く): 776847596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 293, 350, 586, 700, 1172, 1465, 2051, 2543, 2930, 4102, 5086, 5860, 7325, 8204, 10172, 10255, 12715, 14650, 17801, 20510, 25430, 29300, 35602, 41020, 50860, 51275, 63575, 71204, 89005, 102550, 127150, 178010, 205100, 254300, 356020, 445025, 745099, 890050, 1490198, 1780100, 2980396, 3725495, 5215693, 7450990, 10431386, 14901980, 18627475, 20862772, 26078465, 37254950, 52156930, 74509900, 104313860, 130392325, 260784650, 521569300]

約数ペア:

[(1, 521569300), (2, 260784650), (4, 130392325), (5, 104313860), (7, 74509900), (10, 52156930), (14, 37254950), (20, 26078465), (25, 20862772), (28, 18627475), (35, 14901980), (50, 10431386), (70, 7450990), (100, 5215693), (140, 3725495), (175, 2980396), (293, 1780100), (350, 1490198), (586, 890050), (700, 745099), (1172, 445025), (1465, 356020), (2051, 254300), (2543, 205100), (2930, 178010), (4102, 127150), (5086, 102550), (5860, 89005), (7325, 71204), (8204, 63575), (10172, 51275), (10255, 50860), (12715, 41020), (14650, 35602), (17801, 29300), (20510, 25430)]