7754620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 17031168

約数和(自身を除く): 9276548

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 127, 142, 172, 215, 254, 284, 355, 430, 508, 635, 710, 860, 1270, 1420, 2540, 3053, 5461, 6106, 9017, 10922, 12212, 15265, 18034, 21844, 27305, 30530, 36068, 45085, 54610, 61060, 90170, 109220, 180340, 387731, 775462, 1550924, 1938655, 3877310, 7754620]

約数ペア:

[(1, 7754620), (2, 3877310), (4, 1938655), (5, 1550924), (10, 775462), (20, 387731), (43, 180340), (71, 109220), (86, 90170), (127, 61060), (142, 54610), (172, 45085), (215, 36068), (254, 30530), (284, 27305), (355, 21844), (430, 18034), (508, 15265), (635, 12212), (710, 10922), (860, 9017), (1270, 6106), (1420, 5461), (2540, 3053)]