2179222.00000000

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 35955360

約数和(自身を除く): 20388820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 409, 692, 818, 865, 1636, 1730, 1903, 2045, 3460, 3806, 4090, 4499, 7612, 8180, 8998, 9515, 17996, 19030, 22495, 38060, 44990, 70757, 89980, 141514, 283028, 353785, 707570, 778327, 1415140, 1556654, 3113308, 3891635, 7783270, 15566540]

約数ペア:

[(1, 15566540), (2, 7783270), (4, 3891635), (5, 3113308), (10, 1556654), (11, 1415140), (20, 778327), (22, 707570), (44, 353785), (55, 283028), (110, 141514), (173, 89980), (220, 70757), (346, 44990), (409, 38060), (692, 22495), (818, 19030), (865, 17996), (1636, 9515), (1730, 8998), (1903, 8180), (2045, 7612), (3460, 4499), (3806, 4090)]