42731780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:525

約数の個数: 96

約数和(自身を含む): 112783104

約数和(自身を除く): 70051324

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 53, 65, 70, 91, 106, 130, 140, 182, 212, 260, 265, 364, 371, 443, 455, 530, 689, 742, 886, 910, 1060, 1378, 1484, 1772, 1820, 1855, 2215, 2756, 3101, 3445, 3710, 4430, 4823, 5759, 6202, 6890, 7420, 8860, 9646, 11518, 12404, 13780, 15505, 19292, 23036, 23479, 24115, 28795, 31010, 40313, 46958, 48230, 57590, 62020, 80626, 93916, 96460, 115180, 117395, 161252, 164353, 201565, 234790, 305227, 328706, 403130, 469580, 610454, 657412, 806260, 821765, 1220908, 1526135, 1643530, 2136589, 3052270, 3287060, 4273178, 6104540, 8546356, 10682945, 21365890, 42731780]

約数ペア:

[(1, 42731780), (2, 21365890), (4, 10682945), (5, 8546356), (7, 6104540), (10, 4273178), (13, 3287060), (14, 3052270), (20, 2136589), (26, 1643530), (28, 1526135), (35, 1220908), (52, 821765), (53, 806260), (65, 657412), (70, 610454), (91, 469580), (106, 403130), (130, 328706), (140, 305227), (182, 234790), (212, 201565), (260, 164353), (265, 161252), (364, 117395), (371, 115180), (443, 96460), (455, 93916), (530, 80626), (689, 62020), (742, 57590), (886, 48230), (910, 46958), (1060, 40313), (1378, 31010), (1484, 28795), (1772, 24115), (1820, 23479), (1855, 23036), (2215, 19292), (2756, 15505), (3101, 13780), (3445, 12404), (3710, 11518), (4430, 9646), (4823, 8860), (5759, 7420), (6202, 6890)]