138623240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 381542400

約数和(自身を除く): 242919160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 95, 133, 140, 142, 152, 190, 266, 280, 284, 355, 367, 380, 497, 532, 568, 665, 710, 734, 760, 994, 1064, 1330, 1349, 1420, 1468, 1835, 1988, 2485, 2569, 2660, 2698, 2840, 2936, 3670, 3976, 4970, 5138, 5320, 5396, 6745, 6973, 7340, 9443, 9940, 10276, 10792, 12845, 13490, 13946, 14680, 18886, 19880, 20552, 25690, 26057, 26980, 27892, 34865, 37772, 47215, 48811, 51380, 52114, 53960, 55784, 69730, 75544, 94430, 97622, 102760, 104228, 130285, 139460, 182399, 188860, 195244, 208456, 244055, 260570, 278920, 364798, 377720, 390488, 488110, 495083, 521140, 729596, 911995, 976220, 990166, 1042280, 1459192, 1823990, 1952440, 1980332, 2475415, 3465581, 3647980, 3960664, 4950830, 6931162, 7295960, 9901660, 13862324, 17327905, 19803320, 27724648, 34655810, 69311620, 138623240]

約数ペア:

[(1, 138623240), (2, 69311620), (4, 34655810), (5, 27724648), (7, 19803320), (8, 17327905), (10, 13862324), (14, 9901660), (19, 7295960), (20, 6931162), (28, 4950830), (35, 3960664), (38, 3647980), (40, 3465581), (56, 2475415), (70, 1980332), (71, 1952440), (76, 1823990), (95, 1459192), (133, 1042280), (140, 990166), (142, 976220), (152, 911995), (190, 729596), (266, 521140), (280, 495083), (284, 488110), (355, 390488), (367, 377720), (380, 364798), (497, 278920), (532, 260570), (568, 244055), (665, 208456), (710, 195244), (734, 188860), (760, 182399), (994, 139460), (1064, 130285), (1330, 104228), (1349, 102760), (1420, 97622), (1468, 94430), (1835, 75544), (1988, 69730), (2485, 55784), (2569, 53960), (2660, 52114), (2698, 51380), (2840, 48811), (2936, 47215), (3670, 37772), (3976, 34865), (4970, 27892), (5138, 26980), (5320, 26057), (5396, 25690), (6745, 20552), (6973, 19880), (7340, 18886), (9443, 14680), (9940, 13946), (10276, 13490), (10792, 12845)]