220972100020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1578372143}}^1$

素因数の和:1578372159

約数の個数: 24

約数和(自身を含む): 530333040384

約数和(自身を除く): 309360940364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1578372143, 3156744286, 6313488572, 7891860715, 11048605001, 15783721430, 22097210002, 31567442860, 44194420004, 55243025005, 110486050010, 220972100020]

約数ペア:

[(1, 220972100020), (2, 110486050010), (4, 55243025005), (5, 44194420004), (7, 31567442860), (10, 22097210002), (14, 15783721430), (20, 11048605001), (28, 7891860715), (35, 6313488572), (70, 3156744286), (140, 1578372143)]