84778850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 72

約数和(自身を含む): 174274560

約数和(自身を除く): 89495710

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 127, 130, 158, 169, 254, 325, 338, 395, 635, 650, 790, 845, 1027, 1270, 1651, 1690, 1975, 2054, 3175, 3302, 3950, 4225, 5135, 6350, 8255, 8450, 10033, 10270, 13351, 16510, 20066, 21463, 25675, 26702, 41275, 42926, 50165, 51350, 66755, 82550, 100330, 107315, 130429, 133510, 214630, 250825, 260858, 333775, 501650, 536575, 652145, 667550, 1073150, 1304290, 1695577, 3260725, 3391154, 6521450, 8477885, 16955770, 42389425, 84778850]

約数ペア:

[(1, 84778850), (2, 42389425), (5, 16955770), (10, 8477885), (13, 6521450), (25, 3391154), (26, 3260725), (50, 1695577), (65, 1304290), (79, 1073150), (127, 667550), (130, 652145), (158, 536575), (169, 501650), (254, 333775), (325, 260858), (338, 250825), (395, 214630), (635, 133510), (650, 130429), (790, 107315), (845, 100330), (1027, 82550), (1270, 66755), (1651, 51350), (1690, 50165), (1975, 42926), (2054, 41275), (3175, 26702), (3302, 25675), (3950, 21463), (4225, 20066), (5135, 16510), (6350, 13351), (8255, 10270), (8450, 10033)]