19886300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28409}}^1$

素因数の和:28430

約数の個数: 36

約数和(自身を含む): 49319760

約数和(自身を除く): 29433460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28409, 56818, 113636, 142045, 198863, 284090, 397726, 568180, 710225, 795452, 994315, 1420450, 1988630, 2840900, 3977260, 4971575, 9943150, 19886300]

約数ペア:

[(1, 19886300), (2, 9943150), (4, 4971575), (5, 3977260), (7, 2840900), (10, 1988630), (14, 1420450), (20, 994315), (25, 795452), (28, 710225), (35, 568180), (50, 397726), (70, 284090), (100, 198863), (140, 142045), (175, 113636), (350, 56818), (700, 28409)]