1201420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 2838528

約数和(自身を除く): 1637108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 127, 172, 215, 220, 254, 430, 473, 508, 635, 860, 946, 1270, 1397, 1892, 2365, 2540, 2794, 4730, 5461, 5588, 6985, 9460, 10922, 13970, 21844, 27305, 27940, 54610, 60071, 109220, 120142, 240284, 300355, 600710, 1201420]

約数ペア:

[(1, 1201420), (2, 600710), (4, 300355), (5, 240284), (10, 120142), (11, 109220), (20, 60071), (22, 54610), (43, 27940), (44, 27305), (55, 21844), (86, 13970), (110, 10922), (127, 9460), (172, 6985), (215, 5588), (220, 5461), (254, 4730), (430, 2794), (473, 2540), (508, 2365), (635, 1892), (860, 1397), (946, 1270)]