39278260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1787}}^1$

素因数の和:1960

約数の個数: 48

約数和(自身を含む): 94921344

約数和(自身を除く): 55643084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 1787, 2198, 3140, 3574, 4396, 5495, 7148, 8935, 10990, 12509, 17870, 21980, 25018, 35740, 50036, 62545, 125090, 250180, 280559, 561118, 1122236, 1402795, 1963913, 2805590, 3927826, 5611180, 7855652, 9819565, 19639130, 39278260]

約数ペア:

[(1, 39278260), (2, 19639130), (4, 9819565), (5, 7855652), (7, 5611180), (10, 3927826), (14, 2805590), (20, 1963913), (28, 1402795), (35, 1122236), (70, 561118), (140, 280559), (157, 250180), (314, 125090), (628, 62545), (785, 50036), (1099, 35740), (1570, 25018), (1787, 21980), (2198, 17870), (3140, 12509), (3574, 10990), (4396, 8935), (5495, 7148)]