2221340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 5322240

約数和(自身を除く): 3100900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 439, 460, 506, 878, 1012, 1265, 1756, 2195, 2530, 4390, 4829, 5060, 8780, 9658, 10097, 19316, 20194, 24145, 40388, 48290, 50485, 96580, 100970, 111067, 201940, 222134, 444268, 555335, 1110670, 2221340]

約数ペア:

[(1, 2221340), (2, 1110670), (4, 555335), (5, 444268), (10, 222134), (11, 201940), (20, 111067), (22, 100970), (23, 96580), (44, 50485), (46, 48290), (55, 40388), (92, 24145), (110, 20194), (115, 19316), (220, 10097), (230, 9658), (253, 8780), (439, 5060), (460, 4829), (506, 4390), (878, 2530), (1012, 2195), (1265, 1756)]