101080280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{361001}}^1$

素因数の和:361019

約数の個数: 32

約数和(自身を含む): 259921440

約数和(自身を除く): 158841160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 361001, 722002, 1444004, 1805005, 2527007, 2888008, 3610010, 5054014, 7220020, 10108028, 12635035, 14440040, 20216056, 25270070, 50540140, 101080280]

約数ペア:

[(1, 101080280), (2, 50540140), (4, 25270070), (5, 20216056), (7, 14440040), (8, 12635035), (10, 10108028), (14, 7220020), (20, 5054014), (28, 3610010), (35, 2888008), (40, 2527007), (56, 1805005), (70, 1444004), (140, 722002), (280, 361001)]