280805710

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{5903}}^1$

素因数の和:6048

約数の個数: 32

約数和(自身を含む): 520307712

約数和(自身を除く): 239502002

約数列:

[1, 2, 5, 10, 67, 71, 134, 142, 335, 355, 670, 710, 4757, 5903, 9514, 11806, 23785, 29515, 47570, 59030, 395501, 419113, 791002, 838226, 1977505, 2095565, 3955010, 4191130, 28080571, 56161142, 140402855, 280805710]

約数ペア:

[(1, 280805710), (2, 140402855), (5, 56161142), (10, 28080571), (67, 4191130), (71, 3955010), (134, 2095565), (142, 1977505), (335, 838226), (355, 791002), (670, 419113), (710, 395501), (4757, 59030), (5903, 47570), (9514, 29515), (11806, 23785)]