388306020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2531}}^1\times {\mathrm{2557}}^1$

素因数の和:5100

約数の個数: 48

約数和(自身を含む): 1088111808

約数和(自身を除く): 699805788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2531, 2557, 5062, 5114, 7593, 7671, 10124, 10228, 12655, 12785, 15186, 15342, 25310, 25570, 30372, 30684, 37965, 38355, 50620, 51140, 75930, 76710, 151860, 153420, 6471767, 12943534, 19415301, 25887068, 32358835, 38830602, 64717670, 77661204, 97076505, 129435340, 194153010, 388306020]

約数ペア:

[(1, 388306020), (2, 194153010), (3, 129435340), (4, 97076505), (5, 77661204), (6, 64717670), (10, 38830602), (12, 32358835), (15, 25887068), (20, 19415301), (30, 12943534), (60, 6471767), (2531, 153420), (2557, 151860), (5062, 76710), (5114, 75930), (7593, 51140), (7671, 50620), (10124, 38355), (10228, 37965), (12655, 30684), (12785, 30372), (15186, 25570), (15342, 25310)]