215732020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{3217}}^1$

素因数の和:3712

約数の個数: 48

約数和(自身を含む): 518999040

約数和(自身を除く): 303267020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 479, 958, 1916, 2395, 3217, 3353, 4790, 6434, 6706, 9580, 12868, 13412, 16085, 16765, 22519, 32170, 33530, 45038, 64340, 67060, 90076, 112595, 225190, 450380, 1540943, 3081886, 6163772, 7704715, 10786601, 15409430, 21573202, 30818860, 43146404, 53933005, 107866010, 215732020]

約数ペア:

[(1, 215732020), (2, 107866010), (4, 53933005), (5, 43146404), (7, 30818860), (10, 21573202), (14, 15409430), (20, 10786601), (28, 7704715), (35, 6163772), (70, 3081886), (140, 1540943), (479, 450380), (958, 225190), (1916, 112595), (2395, 90076), (3217, 67060), (3353, 64340), (4790, 45038), (6434, 33530), (6706, 32170), (9580, 22519), (12868, 16765), (13412, 16085)]