50181320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{647}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 129703680

約数和(自身を除く): 79522360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 554, 647, 1108, 1294, 1385, 1939, 2216, 2588, 2770, 3235, 3878, 4529, 5176, 5540, 6470, 7756, 9058, 9695, 11080, 12940, 15512, 18116, 19390, 22645, 25880, 36232, 38780, 45290, 77560, 90580, 179219, 181160, 358438, 716876, 896095, 1254533, 1433752, 1792190, 2509066, 3584380, 5018132, 6272665, 7168760, 10036264, 12545330, 25090660, 50181320]

約数ペア:

[(1, 50181320), (2, 25090660), (4, 12545330), (5, 10036264), (7, 7168760), (8, 6272665), (10, 5018132), (14, 3584380), (20, 2509066), (28, 1792190), (35, 1433752), (40, 1254533), (56, 896095), (70, 716876), (140, 358438), (277, 181160), (280, 179219), (554, 90580), (647, 77560), (1108, 45290), (1294, 38780), (1385, 36232), (1939, 25880), (2216, 22645), (2588, 19390), (2770, 18116), (3235, 15512), (3878, 12940), (4529, 11080), (5176, 9695), (5540, 9058), (6470, 7756)]