39970000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{571}}^1$

素因数の和:606

約数の個数: 100

約数和(自身を含む): 110789536

約数和(自身を除く): 70819536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 571, 625, 700, 875, 1000, 1142, 1250, 1400, 1750, 2000, 2284, 2500, 2800, 2855, 3500, 3997, 4375, 4568, 5000, 5710, 7000, 7994, 8750, 9136, 10000, 11420, 14000, 14275, 15988, 17500, 19985, 22840, 28550, 31976, 35000, 39970, 45680, 57100, 63952, 70000, 71375, 79940, 99925, 114200, 142750, 159880, 199850, 228400, 285500, 319760, 356875, 399700, 499625, 571000, 713750, 799400, 999250, 1142000, 1427500, 1598800, 1998500, 2498125, 2855000, 3997000, 4996250, 5710000, 7994000, 9992500, 19985000, 39970000]

約数ペア:

[(1, 39970000), (2, 19985000), (4, 9992500), (5, 7994000), (7, 5710000), (8, 4996250), (10, 3997000), (14, 2855000), (16, 2498125), (20, 1998500), (25, 1598800), (28, 1427500), (35, 1142000), (40, 999250), (50, 799400), (56, 713750), (70, 571000), (80, 499625), (100, 399700), (112, 356875), (125, 319760), (140, 285500), (175, 228400), (200, 199850), (250, 159880), (280, 142750), (350, 114200), (400, 99925), (500, 79940), (560, 71375), (571, 70000), (625, 63952), (700, 57100), (875, 45680), (1000, 39970), (1142, 35000), (1250, 31976), (1400, 28550), (1750, 22840), (2000, 19985), (2284, 17500), (2500, 15988), (2800, 14275), (2855, 14000), (3500, 11420), (3997, 10000), (4375, 9136), (4568, 8750), (5000, 7994), (5710, 7000)]