289506580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1069}}^1\times {\mathrm{1231}}^1$

素因数の和:2320

約数の個数: 48

約数和(自身を含む): 664392960

約数和(自身を除く): 374886380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1069, 1231, 2138, 2462, 4276, 4924, 5345, 6155, 10690, 11759, 12310, 13541, 21380, 23518, 24620, 27082, 47036, 54164, 58795, 67705, 117590, 135410, 235180, 270820, 1315939, 2631878, 5263756, 6579695, 13159390, 14475329, 26318780, 28950658, 57901316, 72376645, 144753290, 289506580]

約数ペア:

[(1, 289506580), (2, 144753290), (4, 72376645), (5, 57901316), (10, 28950658), (11, 26318780), (20, 14475329), (22, 13159390), (44, 6579695), (55, 5263756), (110, 2631878), (220, 1315939), (1069, 270820), (1231, 235180), (2138, 135410), (2462, 117590), (4276, 67705), (4924, 58795), (5345, 54164), (6155, 47036), (10690, 27082), (11759, 24620), (12310, 23518), (13541, 21380)]