3689180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 8678880

約数和(自身を除く): 4989700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 409, 410, 451, 818, 820, 902, 1636, 1804, 2045, 2255, 4090, 4499, 4510, 8180, 8998, 9020, 16769, 17996, 22495, 33538, 44990, 67076, 83845, 89980, 167690, 184459, 335380, 368918, 737836, 922295, 1844590, 3689180]

約数ペア:

[(1, 3689180), (2, 1844590), (4, 922295), (5, 737836), (10, 368918), (11, 335380), (20, 184459), (22, 167690), (41, 89980), (44, 83845), (55, 67076), (82, 44990), (110, 33538), (164, 22495), (205, 17996), (220, 16769), (409, 9020), (410, 8998), (451, 8180), (818, 4510), (820, 4499), (902, 4090), (1636, 2255), (1804, 2045)]