67502540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6791}}^1$

素因数の和:6878

約数の個数: 48

約数和(自身を含む): 164312064

約数和(自身を除く): 96809524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 6791, 9940, 13582, 27164, 33955, 47537, 67910, 95074, 135820, 190148, 237685, 475370, 482161, 950740, 964322, 1928644, 2410805, 3375127, 4821610, 6750254, 9643220, 13500508, 16875635, 33751270, 67502540]

約数ペア:

[(1, 67502540), (2, 33751270), (4, 16875635), (5, 13500508), (7, 9643220), (10, 6750254), (14, 4821610), (20, 3375127), (28, 2410805), (35, 1928644), (70, 964322), (71, 950740), (140, 482161), (142, 475370), (284, 237685), (355, 190148), (497, 135820), (710, 95074), (994, 67910), (1420, 47537), (1988, 33955), (2485, 27164), (4970, 13582), (6791, 9940)]