7022500

素因数分解:

$2^2\times 5^4\times {\mathrm{53}}^2$

素因数の和:130

約数の個数: 45

約数和(自身を含む): 15652021

約数和(自身を除く): 8629521

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 500, 530, 625, 1060, 1250, 1325, 2500, 2650, 2809, 5300, 5618, 6625, 11236, 13250, 14045, 26500, 28090, 33125, 56180, 66250, 70225, 132500, 140450, 280900, 351125, 702250, 1404500, 1755625, 3511250, 7022500]

約数ペア:

[(1, 7022500), (2, 3511250), (4, 1755625), (5, 1404500), (10, 702250), (20, 351125), (25, 280900), (50, 140450), (53, 132500), (100, 70225), (106, 66250), (125, 56180), (212, 33125), (250, 28090), (265, 26500), (500, 14045), (530, 13250), (625, 11236), (1060, 6625), (1250, 5618), (1325, 5300), (2500, 2809)]