918406940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{2897}}^1$

素因数の和:3059

約数の個数: 72

約数和(自身を含む): 2136846096

約数和(自身を除く): 1218439156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 131, 220, 242, 262, 484, 524, 605, 655, 1210, 1310, 1441, 2420, 2620, 2882, 2897, 5764, 5794, 7205, 11588, 14410, 14485, 15851, 28820, 28970, 31702, 31867, 57940, 63404, 63734, 79255, 127468, 158510, 159335, 317020, 318670, 350537, 379507, 637340, 701074, 759014, 1402148, 1518028, 1752685, 1897535, 3505370, 3795070, 4174577, 7010740, 7590140, 8349154, 16698308, 20872885, 41745770, 45920347, 83491540, 91840694, 183681388, 229601735, 459203470, 918406940]

約数ペア:

[(1, 918406940), (2, 459203470), (4, 229601735), (5, 183681388), (10, 91840694), (11, 83491540), (20, 45920347), (22, 41745770), (44, 20872885), (55, 16698308), (110, 8349154), (121, 7590140), (131, 7010740), (220, 4174577), (242, 3795070), (262, 3505370), (484, 1897535), (524, 1752685), (605, 1518028), (655, 1402148), (1210, 759014), (1310, 701074), (1441, 637340), (2420, 379507), (2620, 350537), (2882, 318670), (2897, 317020), (5764, 159335), (5794, 158510), (7205, 127468), (11588, 79255), (14410, 63734), (14485, 63404), (15851, 57940), (28820, 31867), (28970, 31702)]