147842540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{434831}}^1$

素因数の和:434857

約数の個数: 24

約数和(自身を含む): 328732992

約数和(自身を除く): 180890452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 434831, 869662, 1739324, 2174155, 4348310, 7392127, 8696620, 14784254, 29568508, 36960635, 73921270, 147842540]

約数ペア:

[(1, 147842540), (2, 73921270), (4, 36960635), (5, 29568508), (10, 14784254), (17, 8696620), (20, 7392127), (34, 4348310), (68, 2174155), (85, 1739324), (170, 869662), (340, 434831)]