239949880

素因数分解:

$2^3\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{3719}}^1$

素因数の和:5343

約数の個数: 32

約数和(自身を含む): 540367200

約数和(自身を除く): 300417320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1613, 3226, 3719, 6452, 7438, 8065, 12904, 14876, 16130, 18595, 29752, 32260, 37190, 64520, 74380, 148760, 5998747, 11997494, 23994988, 29993735, 47989976, 59987470, 119974940, 239949880]

約数ペア:

[(1, 239949880), (2, 119974940), (4, 59987470), (5, 47989976), (8, 29993735), (10, 23994988), (20, 11997494), (40, 5998747), (1613, 148760), (3226, 74380), (3719, 64520), (6452, 37190), (7438, 32260), (8065, 29752), (12904, 18595), (14876, 16130)]