78221275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 112492800

約数和(自身を除く): 34271525

約数列:

[1, 5, 11, 23, 25, 55, 83, 115, 149, 253, 275, 415, 575, 745, 913, 1265, 1639, 1909, 2075, 3427, 3725, 4565, 6325, 8195, 9545, 12367, 17135, 20999, 22825, 37697, 40975, 47725, 61835, 85675, 104995, 136037, 188485, 284441, 309175, 524975, 680185, 942425, 1422205, 3128851, 3400925, 7111025, 15644255, 78221275]

約数ペア:

[(1, 78221275), (5, 15644255), (11, 7111025), (23, 3400925), (25, 3128851), (55, 1422205), (83, 942425), (115, 680185), (149, 524975), (253, 309175), (275, 284441), (415, 188485), (575, 136037), (745, 104995), (913, 85675), (1265, 61835), (1639, 47725), (1909, 40975), (2075, 37697), (3427, 22825), (3725, 20999), (4565, 17135), (6325, 12367), (8195, 9545)]