191820140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{1049}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 414892800

約数和(自身を除く): 223072660

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 223, 410, 446, 820, 892, 1049, 1115, 2098, 2230, 4196, 4460, 5245, 9143, 10490, 18286, 20980, 36572, 43009, 45715, 86018, 91430, 172036, 182860, 215045, 233927, 430090, 467854, 860180, 935708, 1169635, 2339270, 4678540, 9591007, 19182014, 38364028, 47955035, 95910070, 191820140]

約数ペア:

[(1, 191820140), (2, 95910070), (4, 47955035), (5, 38364028), (10, 19182014), (20, 9591007), (41, 4678540), (82, 2339270), (164, 1169635), (205, 935708), (223, 860180), (410, 467854), (446, 430090), (820, 233927), (892, 215045), (1049, 182860), (1115, 172036), (2098, 91430), (2230, 86018), (4196, 45715), (4460, 43009), (5245, 36572), (9143, 20980), (10490, 18286)]