1029980

素因数分解:

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

素因数の和:1074

約数の個数: 36

約数和(自身を含む): 2518488

約数和(自身を除く): 1488508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1051, 2102, 4204, 5255, 7357, 10510, 14714, 21020, 29428, 36785, 51499, 73570, 102998, 147140, 205996, 257495, 514990, 1029980]

約数ペア:

[(1, 1029980), (2, 514990), (4, 257495), (5, 205996), (7, 147140), (10, 102998), (14, 73570), (20, 51499), (28, 36785), (35, 29428), (49, 21020), (70, 14714), (98, 10510), (140, 7357), (196, 5255), (245, 4204), (490, 2102), (980, 1051)]