30870280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{110251}}^1$

素因数の和:110269

約数の個数: 32

約数和(自身を含む): 79381440

約数和(自身を除く): 48511160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 110251, 220502, 441004, 551255, 771757, 882008, 1102510, 1543514, 2205020, 3087028, 3858785, 4410040, 6174056, 7717570, 15435140, 30870280]

約数ペア:

[(1, 30870280), (2, 15435140), (4, 7717570), (5, 6174056), (7, 4410040), (8, 3858785), (10, 3087028), (14, 2205020), (20, 1543514), (28, 1102510), (35, 882008), (40, 771757), (56, 551255), (70, 441004), (140, 220502), (280, 110251)]