42809390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 84827088

約数和(自身を除く): 42017698

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 169, 338, 347, 365, 694, 730, 845, 949, 1690, 1735, 1898, 3470, 4511, 4745, 9022, 9490, 12337, 22555, 24674, 25331, 45110, 50662, 58643, 61685, 117286, 123370, 126655, 253310, 293215, 329303, 586430, 658606, 1646515, 3293030, 4280939, 8561878, 21404695, 42809390]

約数ペア:

[(1, 42809390), (2, 21404695), (5, 8561878), (10, 4280939), (13, 3293030), (26, 1646515), (65, 658606), (73, 586430), (130, 329303), (146, 293215), (169, 253310), (338, 126655), (347, 123370), (365, 117286), (694, 61685), (730, 58643), (845, 50662), (949, 45110), (1690, 25331), (1735, 24674), (1898, 22555), (3470, 12337), (4511, 9490), (4745, 9022)]