221853860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5419}}^1$

素因数の和:5540

約数の個数: 48

約数和(自身を含む): 491702400

約数和(自身を除く): 269848540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 890, 1780, 2047, 4094, 5419, 8188, 10235, 10838, 20470, 21676, 27095, 40940, 54190, 108380, 124637, 249274, 482291, 498548, 623185, 964582, 1246370, 1929164, 2411455, 2492740, 4822910, 9645820, 11092693, 22185386, 44370772, 55463465, 110926930, 221853860]

約数ペア:

[(1, 221853860), (2, 110926930), (4, 55463465), (5, 44370772), (10, 22185386), (20, 11092693), (23, 9645820), (46, 4822910), (89, 2492740), (92, 2411455), (115, 1929164), (178, 1246370), (230, 964582), (356, 623185), (445, 498548), (460, 482291), (890, 249274), (1780, 124637), (2047, 108380), (4094, 54190), (5419, 40940), (8188, 27095), (10235, 21676), (10838, 20470)]