28970000

素因数分解:

$2^4\times 5^4\times {\mathrm{2897}}^1$

素因数の和:2925

約数の個数: 50

約数和(自身を含む): 70163478

約数和(自身を除く): 41193478

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 2897, 5000, 5794, 10000, 11588, 14485, 23176, 28970, 46352, 57940, 72425, 115880, 144850, 231760, 289700, 362125, 579400, 724250, 1158800, 1448500, 1810625, 2897000, 3621250, 5794000, 7242500, 14485000, 28970000]

約数ペア:

[(1, 28970000), (2, 14485000), (4, 7242500), (5, 5794000), (8, 3621250), (10, 2897000), (16, 1810625), (20, 1448500), (25, 1158800), (40, 724250), (50, 579400), (80, 362125), (100, 289700), (125, 231760), (200, 144850), (250, 115880), (400, 72425), (500, 57940), (625, 46352), (1000, 28970), (1250, 23176), (2000, 14485), (2500, 11588), (2897, 10000), (5000, 5794)]