206306540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{1423}}^1$

素因数の和:2102

約数の個数: 48

約数和(自身を含む): 473679360

約数和(自身を除く): 267372820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 659, 1318, 1423, 2636, 2846, 3295, 5692, 6590, 7115, 7249, 13180, 14230, 14498, 15653, 28460, 28996, 31306, 36245, 62612, 72490, 78265, 144980, 156530, 313060, 937757, 1875514, 3751028, 4688785, 9377570, 10315327, 18755140, 20630654, 41261308, 51576635, 103153270, 206306540]

約数ペア:

[(1, 206306540), (2, 103153270), (4, 51576635), (5, 41261308), (10, 20630654), (11, 18755140), (20, 10315327), (22, 9377570), (44, 4688785), (55, 3751028), (110, 1875514), (220, 937757), (659, 313060), (1318, 156530), (1423, 144980), (2636, 78265), (2846, 72490), (3295, 62612), (5692, 36245), (6590, 31306), (7115, 28996), (7249, 28460), (13180, 15653), (14230, 14498)]