2205780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{379}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 6256320

約数和(自身を除く): 4050540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 379, 388, 485, 582, 758, 970, 1137, 1164, 1455, 1516, 1895, 1940, 2274, 2910, 3790, 4548, 5685, 5820, 7580, 11370, 22740, 36763, 73526, 110289, 147052, 183815, 220578, 367630, 441156, 551445, 735260, 1102890, 2205780]

約数ペア:

[(1, 2205780), (2, 1102890), (3, 735260), (4, 551445), (5, 441156), (6, 367630), (10, 220578), (12, 183815), (15, 147052), (20, 110289), (30, 73526), (60, 36763), (97, 22740), (194, 11370), (291, 7580), (379, 5820), (388, 5685), (485, 4548), (582, 3790), (758, 2910), (970, 2274), (1137, 1940), (1164, 1895), (1455, 1516)]