71757140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 187971840

約数和(自身を除く): 116214700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 89, 91, 130, 140, 178, 182, 260, 356, 364, 443, 445, 455, 623, 886, 890, 910, 1157, 1246, 1772, 1780, 1820, 2215, 2314, 2492, 3101, 3115, 4430, 4628, 5759, 5785, 6202, 6230, 8099, 8860, 11518, 11570, 12404, 12460, 15505, 16198, 23036, 23140, 28795, 31010, 32396, 39427, 40313, 40495, 57590, 62020, 78854, 80626, 80990, 115180, 157708, 161252, 161980, 197135, 201565, 275989, 394270, 403130, 512551, 551978, 788540, 806260, 1025102, 1103956, 1379945, 2050204, 2562755, 2759890, 3587857, 5125510, 5519780, 7175714, 10251020, 14351428, 17939285, 35878570, 71757140]

約数ペア:

[(1, 71757140), (2, 35878570), (4, 17939285), (5, 14351428), (7, 10251020), (10, 7175714), (13, 5519780), (14, 5125510), (20, 3587857), (26, 2759890), (28, 2562755), (35, 2050204), (52, 1379945), (65, 1103956), (70, 1025102), (89, 806260), (91, 788540), (130, 551978), (140, 512551), (178, 403130), (182, 394270), (260, 275989), (356, 201565), (364, 197135), (443, 161980), (445, 161252), (455, 157708), (623, 115180), (886, 80990), (890, 80626), (910, 78854), (1157, 62020), (1246, 57590), (1772, 40495), (1780, 40313), (1820, 39427), (2215, 32396), (2314, 31010), (2492, 28795), (3101, 23140), (3115, 23036), (4430, 16198), (4628, 15505), (5759, 12460), (5785, 12404), (6202, 11570), (6230, 11518), (8099, 8860)]