212815854520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{18457}}^1$

素因数の和:18725

約数の個数: 128

約数和(自身を含む): 509050967040

約数和(自身を除く): 296235112520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 115, 151, 166, 184, 230, 302, 332, 415, 460, 604, 664, 755, 830, 920, 1208, 1510, 1660, 1909, 3020, 3320, 3473, 3818, 6040, 6946, 7636, 9545, 12533, 13892, 15272, 17365, 18457, 19090, 25066, 27784, 34730, 36914, 38180, 50132, 62665, 69460, 73828, 76360, 92285, 100264, 125330, 138920, 147656, 184570, 250660, 288259, 369140, 424511, 501320, 576518, 738280, 849022, 1153036, 1441295, 1531931, 1698044, 2122555, 2306072, 2787007, 2882590, 3063862, 3396088, 4245110, 5574014, 5765180, 6127724, 7659655, 8490220, 11148028, 11530360, 12255448, 13935035, 15319310, 16980440, 22296056, 27870070, 30638620, 35234413, 55740140, 61277240, 64101161, 70468826, 111480280, 128202322, 140937652, 176172065, 231321581, 256404644, 281875304, 320505805, 352344130, 462643162, 512809288, 641011610, 704688260, 925286324, 1156607905, 1282023220, 1409376520, 1850572648, 2313215810, 2564046440, 4626431620, 5320396363, 9252863240, 10640792726, 21281585452, 26601981815, 42563170904, 53203963630, 106407927260, 212815854520]

約数ペア:

[(1, 212815854520), (2, 106407927260), (4, 53203963630), (5, 42563170904), (8, 26601981815), (10, 21281585452), (20, 10640792726), (23, 9252863240), (40, 5320396363), (46, 4626431620), (83, 2564046440), (92, 2313215810), (115, 1850572648), (151, 1409376520), (166, 1282023220), (184, 1156607905), (230, 925286324), (302, 704688260), (332, 641011610), (415, 512809288), (460, 462643162), (604, 352344130), (664, 320505805), (755, 281875304), (830, 256404644), (920, 231321581), (1208, 176172065), (1510, 140937652), (1660, 128202322), (1909, 111480280), (3020, 70468826), (3320, 64101161), (3473, 61277240), (3818, 55740140), (6040, 35234413), (6946, 30638620), (7636, 27870070), (9545, 22296056), (12533, 16980440), (13892, 15319310), (15272, 13935035), (17365, 12255448), (18457, 11530360), (19090, 11148028), (25066, 8490220), (27784, 7659655), (34730, 6127724), (36914, 5765180), (38180, 5574014), (50132, 4245110), (62665, 3396088), (69460, 3063862), (73828, 2882590), (76360, 2787007), (92285, 2306072), (100264, 2122555), (125330, 1698044), (138920, 1531931), (147656, 1441295), (184570, 1153036), (250660, 849022), (288259, 738280), (369140, 576518), (424511, 501320)]