247969480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{33151}}^1$

素因数の和:33190

約数の個数: 64

約数和(自身を含む): 644474880

約数和(自身を除く): 396505400

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 33151, 66302, 132604, 165755, 265208, 331510, 364661, 563567, 663020, 729322, 1127134, 1326040, 1458644, 1823305, 2254268, 2817835, 2917288, 3646610, 4508536, 5635670, 6199237, 7293220, 11271340, 12398474, 14586440, 22542680, 24796948, 30996185, 49593896, 61992370, 123984740, 247969480]

約数ペア:

[(1, 247969480), (2, 123984740), (4, 61992370), (5, 49593896), (8, 30996185), (10, 24796948), (11, 22542680), (17, 14586440), (20, 12398474), (22, 11271340), (34, 7293220), (40, 6199237), (44, 5635670), (55, 4508536), (68, 3646610), (85, 2917288), (88, 2817835), (110, 2254268), (136, 1823305), (170, 1458644), (187, 1326040), (220, 1127134), (340, 729322), (374, 663020), (440, 563567), (680, 364661), (748, 331510), (935, 265208), (1496, 165755), (1870, 132604), (3740, 66302), (7480, 33151)]