144401980

素因数分解:

$2^2\times 5^1\times {\mathrm{2039}}^1\times {\mathrm{3541}}^1$

素因数の和:5589

約数の個数: 24

約数和(自身を含む): 303478560

約数和(自身を除く): 159076580

約数列:

[1, 2, 4, 5, 10, 20, 2039, 3541, 4078, 7082, 8156, 10195, 14164, 17705, 20390, 35410, 40780, 70820, 7220099, 14440198, 28880396, 36100495, 72200990, 144401980]

約数ペア:

[(1, 144401980), (2, 72200990), (4, 36100495), (5, 28880396), (10, 14440198), (20, 7220099), (2039, 70820), (3541, 40780), (4078, 35410), (7082, 20390), (8156, 17705), (10195, 14164)]