2200220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 5146848

約数和(自身を除く): 2946628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 137, 146, 220, 274, 292, 365, 548, 685, 730, 803, 1370, 1460, 1507, 1606, 2740, 3014, 3212, 4015, 6028, 7535, 8030, 10001, 15070, 16060, 20002, 30140, 40004, 50005, 100010, 110011, 200020, 220022, 440044, 550055, 1100110, 2200220]

約数ペア:

[(1, 2200220), (2, 1100110), (4, 550055), (5, 440044), (10, 220022), (11, 200020), (20, 110011), (22, 100010), (44, 50005), (55, 40004), (73, 30140), (110, 20002), (137, 16060), (146, 15070), (220, 10001), (274, 8030), (292, 7535), (365, 6028), (548, 4015), (685, 3212), (730, 3014), (803, 2740), (1370, 1606), (1460, 1507)]