981980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1327}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 2119488

約数和(自身を除く): 1137508

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1327, 2654, 5308, 6635, 13270, 26540, 49099, 98198, 196396, 245495, 490990, 981980]

約数ペア:

[(1, 981980), (2, 490990), (4, 245495), (5, 196396), (10, 98198), (20, 49099), (37, 26540), (74, 13270), (148, 6635), (185, 5308), (370, 2654), (740, 1327)]