77311640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{276113}}^1$

素因数の和:276131

約数の個数: 32

約数和(自身を含む): 198802080

約数和(自身を除く): 121490440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 276113, 552226, 1104452, 1380565, 1932791, 2208904, 2761130, 3865582, 5522260, 7731164, 9663955, 11044520, 15462328, 19327910, 38655820, 77311640]

約数ペア:

[(1, 77311640), (2, 38655820), (4, 19327910), (5, 15462328), (7, 11044520), (8, 9663955), (10, 7731164), (14, 5522260), (20, 3865582), (28, 2761130), (35, 2208904), (40, 1932791), (56, 1380565), (70, 1104452), (140, 552226), (280, 276113)]