1209804970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{27427}}^1$

素因数の和:27846

約数の個数: 32

約数和(自身を含む): 2381628096

約数和(自身を除く): 1171823126

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 401, 802, 2005, 4010, 4411, 8822, 22055, 27427, 44110, 54854, 137135, 274270, 301697, 603394, 1508485, 3016970, 10998227, 21996454, 54991135, 109982270, 120980497, 241960994, 604902485, 1209804970]

約数ペア:

[(1, 1209804970), (2, 604902485), (5, 241960994), (10, 120980497), (11, 109982270), (22, 54991135), (55, 21996454), (110, 10998227), (401, 3016970), (802, 1508485), (2005, 603394), (4010, 301697), (4411, 274270), (8822, 137135), (22055, 54854), (27427, 44110)]