188513720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{863}}^1$

素因数の和:1044

約数の個数: 64

約数和(自身を含む): 437944320

約数和(自身を除く): 249430600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 127, 172, 215, 254, 344, 430, 508, 635, 860, 863, 1016, 1270, 1720, 1726, 2540, 3452, 4315, 5080, 5461, 6904, 8630, 10922, 17260, 21844, 27305, 34520, 37109, 43688, 54610, 74218, 109220, 109601, 148436, 185545, 218440, 219202, 296872, 371090, 438404, 548005, 742180, 876808, 1096010, 1484360, 2192020, 4384040, 4712843, 9425686, 18851372, 23564215, 37702744, 47128430, 94256860, 188513720]

約数ペア:

[(1, 188513720), (2, 94256860), (4, 47128430), (5, 37702744), (8, 23564215), (10, 18851372), (20, 9425686), (40, 4712843), (43, 4384040), (86, 2192020), (127, 1484360), (172, 1096010), (215, 876808), (254, 742180), (344, 548005), (430, 438404), (508, 371090), (635, 296872), (860, 219202), (863, 218440), (1016, 185545), (1270, 148436), (1720, 109601), (1726, 109220), (2540, 74218), (3452, 54610), (4315, 43688), (5080, 37109), (5461, 34520), (6904, 27305), (8630, 21844), (10922, 17260)]