78076180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42899}}^1$

素因数の和:42928

約数の個数: 48

約数和(自身を含む): 201801600

約数和(自身を除く): 123725420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 42899, 85798, 171596, 214495, 300293, 428990, 557687, 600586, 857980, 1115374, 1201172, 1501465, 2230748, 2788435, 3002930, 3903809, 5576870, 6005860, 7807618, 11153740, 15615236, 19519045, 39038090, 78076180]

約数ペア:

[(1, 78076180), (2, 39038090), (4, 19519045), (5, 15615236), (7, 11153740), (10, 7807618), (13, 6005860), (14, 5576870), (20, 3903809), (26, 3002930), (28, 2788435), (35, 2230748), (52, 1501465), (65, 1201172), (70, 1115374), (91, 857980), (130, 600586), (140, 557687), (182, 428990), (260, 300293), (364, 214495), (455, 171596), (910, 85798), (1820, 42899)]