85308580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2371}}^1$

素因数の和:2644

約数の個数: 48

約数和(自身を含む): 205623936

約数和(自身を除く): 120315356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2371, 2570, 3598, 4742, 5140, 7196, 8995, 9484, 11855, 16597, 17990, 23710, 33194, 35980, 47420, 66388, 82985, 165970, 331940, 609347, 1218694, 2437388, 3046735, 4265429, 6093470, 8530858, 12186940, 17061716, 21327145, 42654290, 85308580]

約数ペア:

[(1, 85308580), (2, 42654290), (4, 21327145), (5, 17061716), (7, 12186940), (10, 8530858), (14, 6093470), (20, 4265429), (28, 3046735), (35, 2437388), (70, 1218694), (140, 609347), (257, 331940), (514, 165970), (1028, 82985), (1285, 66388), (1799, 47420), (2371, 35980), (2570, 33194), (3598, 23710), (4742, 17990), (5140, 16597), (7196, 11855), (8995, 9484)]