2019894140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{887}}^1\times {\mathrm{941}}^1$

素因数の和:1859

約数の個数: 72

約数和(自身を含む): 4672666656

約数和(自身を除く): 2652772516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 887, 941, 1210, 1774, 1882, 2420, 3548, 3764, 4435, 4705, 8870, 9410, 9757, 10351, 17740, 18820, 19514, 20702, 39028, 41404, 48785, 51755, 97570, 103510, 107327, 113861, 195140, 207020, 214654, 227722, 429308, 455444, 536635, 569305, 834667, 1073270, 1138610, 1669334, 2146540, 2277220, 3338668, 4173335, 8346670, 9181337, 16693340, 18362674, 36725348, 45906685, 91813370, 100994707, 183626740, 201989414, 403978828, 504973535, 1009947070, 2019894140]

約数ペア:

[(1, 2019894140), (2, 1009947070), (4, 504973535), (5, 403978828), (10, 201989414), (11, 183626740), (20, 100994707), (22, 91813370), (44, 45906685), (55, 36725348), (110, 18362674), (121, 16693340), (220, 9181337), (242, 8346670), (484, 4173335), (605, 3338668), (887, 2277220), (941, 2146540), (1210, 1669334), (1774, 1138610), (1882, 1073270), (2420, 834667), (3548, 569305), (3764, 536635), (4435, 455444), (4705, 429308), (8870, 227722), (9410, 214654), (9757, 207020), (10351, 195140), (17740, 113861), (18820, 107327), (19514, 103510), (20702, 97570), (39028, 51755), (41404, 48785)]