4400440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 11028960

約数和(自身を除く): 6628520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 137, 146, 220, 274, 292, 365, 440, 548, 584, 685, 730, 803, 1096, 1370, 1460, 1507, 1606, 2740, 2920, 3014, 3212, 4015, 5480, 6028, 6424, 7535, 8030, 10001, 12056, 15070, 16060, 20002, 30140, 32120, 40004, 50005, 60280, 80008, 100010, 110011, 200020, 220022, 400040, 440044, 550055, 880088, 1100110, 2200220, 4400440]

約数ペア:

[(1, 4400440), (2, 2200220), (4, 1100110), (5, 880088), (8, 550055), (10, 440044), (11, 400040), (20, 220022), (22, 200020), (40, 110011), (44, 100010), (55, 80008), (73, 60280), (88, 50005), (110, 40004), (137, 32120), (146, 30140), (220, 20002), (274, 16060), (292, 15070), (365, 12056), (440, 10001), (548, 8030), (584, 7535), (685, 6424), (730, 6028), (803, 5480), (1096, 4015), (1370, 3212), (1460, 3014), (1507, 2920), (1606, 2740)]