72478900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:593

約数の個数: 72

約数和(自身を含む): 171100160

約数和(自身を除く): 98621260

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 127, 130, 254, 260, 325, 439, 508, 635, 650, 878, 1270, 1300, 1651, 1756, 2195, 2540, 3175, 3302, 4390, 5707, 6350, 6604, 8255, 8780, 10975, 11414, 12700, 16510, 21950, 22828, 28535, 33020, 41275, 43900, 55753, 57070, 82550, 111506, 114140, 142675, 165100, 223012, 278765, 285350, 557530, 570700, 724789, 1115060, 1393825, 1449578, 2787650, 2899156, 3623945, 5575300, 7247890, 14495780, 18119725, 36239450, 72478900]

約数ペア:

[(1, 72478900), (2, 36239450), (4, 18119725), (5, 14495780), (10, 7247890), (13, 5575300), (20, 3623945), (25, 2899156), (26, 2787650), (50, 1449578), (52, 1393825), (65, 1115060), (100, 724789), (127, 570700), (130, 557530), (254, 285350), (260, 278765), (325, 223012), (439, 165100), (508, 142675), (635, 114140), (650, 111506), (878, 82550), (1270, 57070), (1300, 55753), (1651, 43900), (1756, 41275), (2195, 33020), (2540, 28535), (3175, 22828), (3302, 21950), (4390, 16510), (5707, 12700), (6350, 11414), (6604, 10975), (8255, 8780)]