123515140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{882251}}^1$

素因数の和:882267

約数の個数: 24

約数和(自身を含む): 296436672

約数和(自身を除く): 172921532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 882251, 1764502, 3529004, 4411255, 6175757, 8822510, 12351514, 17645020, 24703028, 30878785, 61757570, 123515140]

約数ペア:

[(1, 123515140), (2, 61757570), (4, 30878785), (5, 24703028), (7, 17645020), (10, 12351514), (14, 8822510), (20, 6175757), (28, 4411255), (35, 3529004), (70, 1764502), (140, 882251)]