1321250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{151}}^1$

素因数の和:180

約数の個数: 40

約数和(自身を含む): 2849088

約数和(自身を除く): 1527838

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 151, 175, 250, 302, 350, 625, 755, 875, 1057, 1250, 1510, 1750, 2114, 3775, 4375, 5285, 7550, 8750, 10570, 18875, 26425, 37750, 52850, 94375, 132125, 188750, 264250, 660625, 1321250]

約数ペア:

[(1, 1321250), (2, 660625), (5, 264250), (7, 188750), (10, 132125), (14, 94375), (25, 52850), (35, 37750), (50, 26425), (70, 18875), (125, 10570), (151, 8750), (175, 7550), (250, 5285), (302, 4375), (350, 3775), (625, 2114), (755, 1750), (875, 1510), (1057, 1250)]