51940140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{123667}}^1$

素因数の和:123686

約数の個数: 48

約数和(自身を含む): 166209792

約数和(自身を除く): 114269652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 123667, 247334, 371001, 494668, 618335, 742002, 865669, 1236670, 1484004, 1731338, 1855005, 2473340, 2597007, 3462676, 3710010, 4328345, 5194014, 7420020, 8656690, 10388028, 12985035, 17313380, 25970070, 51940140]

約数ペア:

[(1, 51940140), (2, 25970070), (3, 17313380), (4, 12985035), (5, 10388028), (6, 8656690), (7, 7420020), (10, 5194014), (12, 4328345), (14, 3710010), (15, 3462676), (20, 2597007), (21, 2473340), (28, 1855005), (30, 1731338), (35, 1484004), (42, 1236670), (60, 865669), (70, 742002), (84, 618335), (105, 494668), (140, 371001), (210, 247334), (420, 123667)]