247948610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3449}}^1$

素因数の和:3555

約数の個数: 64

約数和(自身を含む): 556416000

約数和(自身を除く): 308467390

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 79, 91, 130, 158, 182, 395, 455, 553, 790, 910, 1027, 1106, 2054, 2765, 3449, 5135, 5530, 6898, 7189, 10270, 14378, 17245, 24143, 34490, 35945, 44837, 48286, 71890, 89674, 120715, 224185, 241430, 272471, 313859, 448370, 544942, 627718, 1362355, 1569295, 1907297, 2724710, 3138590, 3542123, 3814594, 7084246, 9536485, 17710615, 19072970, 24794861, 35421230, 49589722, 123974305, 247948610]

約数ペア:

[(1, 247948610), (2, 123974305), (5, 49589722), (7, 35421230), (10, 24794861), (13, 19072970), (14, 17710615), (26, 9536485), (35, 7084246), (65, 3814594), (70, 3542123), (79, 3138590), (91, 2724710), (130, 1907297), (158, 1569295), (182, 1362355), (395, 627718), (455, 544942), (553, 448370), (790, 313859), (910, 272471), (1027, 241430), (1106, 224185), (2054, 120715), (2765, 89674), (3449, 71890), (5135, 48286), (5530, 44837), (6898, 35945), (7189, 34490), (10270, 24143), (14378, 17245)]