7888946870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257893}}^1$

素因数の和:257949

約数の個数: 64

約数和(自身を含む): 17825633280

約数和(自身を除く): 9936686410

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 35, 38, 46, 70, 95, 115, 133, 161, 190, 230, 266, 322, 437, 665, 805, 874, 1330, 1610, 2185, 3059, 4370, 6118, 15295, 30590, 257893, 515786, 1289465, 1805251, 2578930, 3610502, 4899967, 5931539, 9026255, 9799934, 11863078, 18052510, 24499835, 29657695, 34299769, 41520773, 48999670, 59315390, 68599538, 83041546, 112699241, 171498845, 207603865, 225398482, 342997690, 415207730, 563496205, 788894687, 1126992410, 1577789374, 3944473435, 7888946870]

約数ペア:

[(1, 7888946870), (2, 3944473435), (5, 1577789374), (7, 1126992410), (10, 788894687), (14, 563496205), (19, 415207730), (23, 342997690), (35, 225398482), (38, 207603865), (46, 171498845), (70, 112699241), (95, 83041546), (115, 68599538), (133, 59315390), (161, 48999670), (190, 41520773), (230, 34299769), (266, 29657695), (322, 24499835), (437, 18052510), (665, 11863078), (805, 9799934), (874, 9026255), (1330, 5931539), (1610, 4899967), (2185, 3610502), (3059, 2578930), (4370, 1805251), (6118, 1289465), (15295, 515786), (30590, 257893)]