1242500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{71}}^1$

素因数の和:102

約数の個数: 60

約数和(自身を含む): 3148992

約数和(自身を除く): 1906492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 125, 140, 142, 175, 250, 284, 350, 355, 497, 500, 625, 700, 710, 875, 994, 1250, 1420, 1750, 1775, 1988, 2485, 2500, 3500, 3550, 4375, 4970, 7100, 8750, 8875, 9940, 12425, 17500, 17750, 24850, 35500, 44375, 49700, 62125, 88750, 124250, 177500, 248500, 310625, 621250, 1242500]

約数ペア:

[(1, 1242500), (2, 621250), (4, 310625), (5, 248500), (7, 177500), (10, 124250), (14, 88750), (20, 62125), (25, 49700), (28, 44375), (35, 35500), (50, 24850), (70, 17750), (71, 17500), (100, 12425), (125, 9940), (140, 8875), (142, 8750), (175, 7100), (250, 4970), (284, 4375), (350, 3550), (355, 3500), (497, 2500), (500, 2485), (625, 1988), (700, 1775), (710, 1750), (875, 1420), (994, 1250)]