38905970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{523}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 72211392

約数和(自身を除く): 33305422

約数列:

[1, 2, 5, 10, 43, 86, 173, 215, 346, 430, 523, 865, 1046, 1730, 2615, 5230, 7439, 14878, 22489, 37195, 44978, 74390, 90479, 112445, 180958, 224890, 452395, 904790, 3890597, 7781194, 19452985, 38905970]

約数ペア:

[(1, 38905970), (2, 19452985), (5, 7781194), (10, 3890597), (43, 904790), (86, 452395), (173, 224890), (215, 180958), (346, 112445), (430, 90479), (523, 74390), (865, 44978), (1046, 37195), (1730, 22489), (2615, 14878), (5230, 7439)]