947156980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1427}}^1$

素因数の和:1885

約数の個数: 96

約数和(自身を含む): 2487324672

約数和(自身を除く): 1540167692

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 431, 770, 862, 1427, 1540, 1724, 2155, 2854, 3017, 4310, 4741, 5708, 6034, 7135, 8620, 9482, 9989, 12068, 14270, 15085, 15697, 18964, 19978, 23705, 28540, 30170, 31394, 33187, 39956, 47410, 49945, 60340, 62788, 66374, 78485, 94820, 99890, 109879, 132748, 156970, 165935, 199780, 219758, 313940, 331870, 439516, 549395, 615037, 663740, 1098790, 1230074, 2197580, 2460148, 3075185, 4305259, 6150370, 6765407, 8610518, 12300740, 13530814, 17221036, 21526295, 27061628, 33827035, 43052590, 47357849, 67654070, 86105180, 94715698, 135308140, 189431396, 236789245, 473578490, 947156980]

約数ペア:

[(1, 947156980), (2, 473578490), (4, 236789245), (5, 189431396), (7, 135308140), (10, 94715698), (11, 86105180), (14, 67654070), (20, 47357849), (22, 43052590), (28, 33827035), (35, 27061628), (44, 21526295), (55, 17221036), (70, 13530814), (77, 12300740), (110, 8610518), (140, 6765407), (154, 6150370), (220, 4305259), (308, 3075185), (385, 2460148), (431, 2197580), (770, 1230074), (862, 1098790), (1427, 663740), (1540, 615037), (1724, 549395), (2155, 439516), (2854, 331870), (3017, 313940), (4310, 219758), (4741, 199780), (5708, 165935), (6034, 156970), (7135, 132748), (8620, 109879), (9482, 99890), (9989, 94820), (12068, 78485), (14270, 66374), (15085, 62788), (15697, 60340), (18964, 49945), (19978, 47410), (23705, 39956), (28540, 33187), (30170, 31394)]