2801000

素因数分解:

$2^3\times 5^3\times {\mathrm{2801}}^1$

素因数の和:2822

約数の個数: 32

約数和(自身を含む): 6556680

約数和(自身を除く): 3755680

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 2801, 5602, 11204, 14005, 22408, 28010, 56020, 70025, 112040, 140050, 280100, 350125, 560200, 700250, 1400500, 2801000]

約数ペア:

[(1, 2801000), (2, 1400500), (4, 700250), (5, 560200), (8, 350125), (10, 280100), (20, 140050), (25, 112040), (40, 70025), (50, 56020), (100, 28010), (125, 22408), (200, 14005), (250, 11204), (500, 5602), (1000, 2801)]