1081900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:394

約数の個数: 36

約数和(自身を含む): 2430400

約数和(自身を除く): 1348500

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 349, 620, 698, 775, 1396, 1550, 1745, 3100, 3490, 6980, 8725, 10819, 17450, 21638, 34900, 43276, 54095, 108190, 216380, 270475, 540950, 1081900]

約数ペア:

[(1, 1081900), (2, 540950), (4, 270475), (5, 216380), (10, 108190), (20, 54095), (25, 43276), (31, 34900), (50, 21638), (62, 17450), (100, 10819), (124, 8725), (155, 6980), (310, 3490), (349, 3100), (620, 1745), (698, 1550), (775, 1396)]