135389620

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1\times {\mathrm{353}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 289271808

約数和(自身を除く): 153882188

約数列:

[1, 2, 4, 5, 10, 20, 127, 151, 254, 302, 353, 508, 604, 635, 706, 755, 1270, 1412, 1510, 1765, 2540, 3020, 3530, 7060, 19177, 38354, 44831, 53303, 76708, 89662, 95885, 106606, 179324, 191770, 213212, 224155, 266515, 383540, 448310, 533030, 896620, 1066060, 6769481, 13538962, 27077924, 33847405, 67694810, 135389620]

約数ペア:

[(1, 135389620), (2, 67694810), (4, 33847405), (5, 27077924), (10, 13538962), (20, 6769481), (127, 1066060), (151, 896620), (254, 533030), (302, 448310), (353, 383540), (508, 266515), (604, 224155), (635, 213212), (706, 191770), (755, 179324), (1270, 106606), (1412, 95885), (1510, 89662), (1765, 76708), (2540, 53303), (3020, 44831), (3530, 38354), (7060, 19177)]