217836500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:706

約数の個数: 96

約数和(自身を含む): 549669120

約数和(自身を除く): 331832620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 109, 125, 140, 175, 218, 250, 350, 436, 500, 545, 571, 700, 763, 875, 1090, 1142, 1526, 1750, 2180, 2284, 2725, 2855, 3052, 3500, 3815, 3997, 5450, 5710, 7630, 7994, 10900, 11420, 13625, 14275, 15260, 15988, 19075, 19985, 27250, 28550, 38150, 39970, 54500, 57100, 62239, 71375, 76300, 79940, 95375, 99925, 124478, 142750, 190750, 199850, 248956, 285500, 311195, 381500, 399700, 435673, 499625, 622390, 871346, 999250, 1244780, 1555975, 1742692, 1998500, 2178365, 3111950, 4356730, 6223900, 7779875, 8713460, 10891825, 15559750, 21783650, 31119500, 43567300, 54459125, 108918250, 217836500]

約数ペア:

[(1, 217836500), (2, 108918250), (4, 54459125), (5, 43567300), (7, 31119500), (10, 21783650), (14, 15559750), (20, 10891825), (25, 8713460), (28, 7779875), (35, 6223900), (50, 4356730), (70, 3111950), (100, 2178365), (109, 1998500), (125, 1742692), (140, 1555975), (175, 1244780), (218, 999250), (250, 871346), (350, 622390), (436, 499625), (500, 435673), (545, 399700), (571, 381500), (700, 311195), (763, 285500), (875, 248956), (1090, 199850), (1142, 190750), (1526, 142750), (1750, 124478), (2180, 99925), (2284, 95375), (2725, 79940), (2855, 76300), (3052, 71375), (3500, 62239), (3815, 57100), (3997, 54500), (5450, 39970), (5710, 38150), (7630, 28550), (7994, 27250), (10900, 19985), (11420, 19075), (13625, 15988), (14275, 15260)]