31046540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1051}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 74936064

約数和(自身を除く): 43889524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1051, 1055, 1477, 2102, 2110, 2954, 4204, 4220, 5255, 5908, 7357, 7385, 10510, 14714, 14770, 21020, 29428, 29540, 36785, 73570, 147140, 221761, 443522, 887044, 1108805, 1552327, 2217610, 3104654, 4435220, 6209308, 7761635, 15523270, 31046540]

約数ペア:

[(1, 31046540), (2, 15523270), (4, 7761635), (5, 6209308), (7, 4435220), (10, 3104654), (14, 2217610), (20, 1552327), (28, 1108805), (35, 887044), (70, 443522), (140, 221761), (211, 147140), (422, 73570), (844, 36785), (1051, 29540), (1055, 29428), (1477, 21020), (2102, 14770), (2110, 14714), (2954, 10510), (4204, 7385), (4220, 7357), (5255, 5908)]