90204620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17827}}^1$

素因数の和:17870

約数の個数: 48

約数和(自身を含む): 215647488

約数和(自身を除く): 125442868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 17827, 35654, 71308, 89135, 178270, 196097, 356540, 392194, 410021, 784388, 820042, 980485, 1640084, 1960970, 2050105, 3921940, 4100210, 4510231, 8200420, 9020462, 18040924, 22551155, 45102310, 90204620]

約数ペア:

[(1, 90204620), (2, 45102310), (4, 22551155), (5, 18040924), (10, 9020462), (11, 8200420), (20, 4510231), (22, 4100210), (23, 3921940), (44, 2050105), (46, 1960970), (55, 1640084), (92, 980485), (110, 820042), (115, 784388), (220, 410021), (230, 392194), (253, 356540), (460, 196097), (506, 178270), (1012, 89135), (1265, 71308), (2530, 35654), (5060, 17827)]