2939240

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{373}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 6664680

約数和(自身を除く): 3725440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 373, 394, 746, 788, 985, 1492, 1576, 1865, 1970, 2984, 3730, 3940, 7460, 7880, 14920, 73481, 146962, 293924, 367405, 587848, 734810, 1469620, 2939240]

約数ペア:

[(1, 2939240), (2, 1469620), (4, 734810), (5, 587848), (8, 367405), (10, 293924), (20, 146962), (40, 73481), (197, 14920), (373, 7880), (394, 7460), (746, 3940), (788, 3730), (985, 2984), (1492, 1970), (1576, 1865)]