129410090

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{881}}^1$

素因数の和:1322

約数の個数: 32

約数和(自身を含む): 240108624

約数和(自身を除く): 110698534

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 397, 794, 881, 1762, 1985, 3970, 4405, 8810, 14689, 29378, 32597, 65194, 73445, 146890, 162985, 325970, 349757, 699514, 1748785, 3497570, 12941009, 25882018, 64705045, 129410090]

約数ペア:

[(1, 129410090), (2, 64705045), (5, 25882018), (10, 12941009), (37, 3497570), (74, 1748785), (185, 699514), (370, 349757), (397, 325970), (794, 162985), (881, 146890), (1762, 73445), (1985, 65194), (3970, 32597), (4405, 29378), (8810, 14689)]