4571000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{653}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 12242880

約数和(自身を除く): 7671880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 653, 700, 875, 1000, 1306, 1400, 1750, 2612, 3265, 3500, 4571, 5224, 6530, 7000, 9142, 13060, 16325, 18284, 22855, 26120, 32650, 36568, 45710, 65300, 81625, 91420, 114275, 130600, 163250, 182840, 228550, 326500, 457100, 571375, 653000, 914200, 1142750, 2285500, 4571000]

約数ペア:

[(1, 4571000), (2, 2285500), (4, 1142750), (5, 914200), (7, 653000), (8, 571375), (10, 457100), (14, 326500), (20, 228550), (25, 182840), (28, 163250), (35, 130600), (40, 114275), (50, 91420), (56, 81625), (70, 65300), (100, 45710), (125, 36568), (140, 32650), (175, 26120), (200, 22855), (250, 18284), (280, 16325), (350, 13060), (500, 9142), (653, 7000), (700, 6530), (875, 5224), (1000, 4571), (1306, 3500), (1400, 3265), (1750, 2612)]