1390223840

素因数分解:

$2^5\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{7549}}^1$

素因数の和:8715

約数の個数: 48

約数和(自身を含む): 3287692800

約数和(自身を除く): 1897468960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1151, 2302, 4604, 5755, 7549, 9208, 11510, 15098, 18416, 23020, 30196, 36832, 37745, 46040, 60392, 75490, 92080, 120784, 150980, 184160, 241568, 301960, 603920, 1207840, 8688899, 17377798, 34755596, 43444495, 69511192, 86888990, 139022384, 173777980, 278044768, 347555960, 695111920, 1390223840]

約数ペア:

[(1, 1390223840), (2, 695111920), (4, 347555960), (5, 278044768), (8, 173777980), (10, 139022384), (16, 86888990), (20, 69511192), (32, 43444495), (40, 34755596), (80, 17377798), (160, 8688899), (1151, 1207840), (2302, 603920), (4604, 301960), (5755, 241568), (7549, 184160), (9208, 150980), (11510, 120784), (15098, 92080), (18416, 75490), (23020, 60392), (30196, 46040), (36832, 37745)]