78812140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1123}}^1$

素因数の和:1183

約数の個数: 72

約数和(自身を含む): 188359920

約数和(自身を除く): 109547780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 290, 319, 484, 580, 605, 638, 1123, 1210, 1276, 1595, 2246, 2420, 3190, 3509, 4492, 5615, 6380, 7018, 11230, 12353, 14036, 17545, 22460, 24706, 32567, 35090, 49412, 61765, 65134, 70180, 123530, 130268, 135883, 162835, 247060, 271766, 325670, 358237, 543532, 651340, 679415, 716474, 1358830, 1432948, 1791185, 2717660, 3582370, 3940607, 7164740, 7881214, 15762428, 19703035, 39406070, 78812140]

約数ペア:

[(1, 78812140), (2, 39406070), (4, 19703035), (5, 15762428), (10, 7881214), (11, 7164740), (20, 3940607), (22, 3582370), (29, 2717660), (44, 1791185), (55, 1432948), (58, 1358830), (110, 716474), (116, 679415), (121, 651340), (145, 543532), (220, 358237), (242, 325670), (290, 271766), (319, 247060), (484, 162835), (580, 135883), (605, 130268), (638, 123530), (1123, 70180), (1210, 65134), (1276, 61765), (1595, 49412), (2246, 35090), (2420, 32567), (3190, 24706), (3509, 22460), (4492, 17545), (5615, 14036), (6380, 12353), (7018, 11230)]