30499000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{4357}}^1$

素因数の和:4385

約数の個数: 64

約数和(自身を含む): 81581760

約数和(自身を除く): 51082760

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, 700, 875, 1000, 1400, 1750, 3500, 4357, 7000, 8714, 17428, 21785, 30499, 34856, 43570, 60998, 87140, 108925, 121996, 152495, 174280, 217850, 243992, 304990, 435700, 544625, 609980, 762475, 871400, 1089250, 1219960, 1524950, 2178500, 3049900, 3812375, 4357000, 6099800, 7624750, 15249500, 30499000]

約数ペア:

[(1, 30499000), (2, 15249500), (4, 7624750), (5, 6099800), (7, 4357000), (8, 3812375), (10, 3049900), (14, 2178500), (20, 1524950), (25, 1219960), (28, 1089250), (35, 871400), (40, 762475), (50, 609980), (56, 544625), (70, 435700), (100, 304990), (125, 243992), (140, 217850), (175, 174280), (200, 152495), (250, 121996), (280, 108925), (350, 87140), (500, 60998), (700, 43570), (875, 34856), (1000, 30499), (1400, 21785), (1750, 17428), (3500, 8714), (4357, 7000)]