621250

素因数分解:

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

素因数の和:100

約数の個数: 40

約数和(自身を含む): 1349568

約数和(自身を除く): 728318

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 125, 142, 175, 250, 350, 355, 497, 625, 710, 875, 994, 1250, 1750, 1775, 2485, 3550, 4375, 4970, 8750, 8875, 12425, 17750, 24850, 44375, 62125, 88750, 124250, 310625, 621250]

約数ペア:

[(1, 621250), (2, 310625), (5, 124250), (7, 88750), (10, 62125), (14, 44375), (25, 24850), (35, 17750), (50, 12425), (70, 8875), (71, 8750), (125, 4970), (142, 4375), (175, 3550), (250, 2485), (350, 1775), (355, 1750), (497, 1250), (625, 994), (710, 875)]