29911640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 74057760

約数和(自身を除く): 44146120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 433, 440, 628, 785, 866, 1256, 1570, 1727, 1732, 2165, 3140, 3454, 3464, 4330, 4763, 6280, 6908, 8635, 8660, 9526, 13816, 17270, 17320, 19052, 23815, 34540, 38104, 47630, 67981, 69080, 95260, 135962, 190520, 271924, 339905, 543848, 679810, 747791, 1359620, 1495582, 2719240, 2991164, 3738955, 5982328, 7477910, 14955820, 29911640]

約数ペア:

[(1, 29911640), (2, 14955820), (4, 7477910), (5, 5982328), (8, 3738955), (10, 2991164), (11, 2719240), (20, 1495582), (22, 1359620), (40, 747791), (44, 679810), (55, 543848), (88, 339905), (110, 271924), (157, 190520), (220, 135962), (314, 95260), (433, 69080), (440, 67981), (628, 47630), (785, 38104), (866, 34540), (1256, 23815), (1570, 19052), (1727, 17320), (1732, 17270), (2165, 13816), (3140, 9526), (3454, 8660), (3464, 8635), (4330, 6908), (4763, 6280)]