86736440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4363}}^1$

素因数の和:4452

約数の個数: 64

約数和(自身を含む): 226229760

約数和(自身を除く): 139493320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4363, 4970, 8726, 9940, 17452, 19880, 21815, 30541, 34904, 43630, 61082, 87260, 122164, 152705, 174520, 244328, 305410, 309773, 610820, 619546, 1221640, 1239092, 1548865, 2168411, 2478184, 3097730, 4336822, 6195460, 8673644, 10842055, 12390920, 17347288, 21684110, 43368220, 86736440]

約数ペア:

[(1, 86736440), (2, 43368220), (4, 21684110), (5, 17347288), (7, 12390920), (8, 10842055), (10, 8673644), (14, 6195460), (20, 4336822), (28, 3097730), (35, 2478184), (40, 2168411), (56, 1548865), (70, 1239092), (71, 1221640), (140, 619546), (142, 610820), (280, 309773), (284, 305410), (355, 244328), (497, 174520), (568, 152705), (710, 122164), (994, 87260), (1420, 61082), (1988, 43630), (2485, 34904), (2840, 30541), (3976, 21815), (4363, 19880), (4970, 17452), (8726, 9940)]