9901100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9001}}^1$

素因数の和:9026

約数の個数: 36

約数和(自身を含む): 23441208

約数和(自身を除く): 13540108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 9001, 18002, 36004, 45005, 90010, 99011, 180020, 198022, 225025, 396044, 450050, 495055, 900100, 990110, 1980220, 2475275, 4950550, 9901100]

約数ペア:

[(1, 9901100), (2, 4950550), (4, 2475275), (5, 1980220), (10, 990110), (11, 900100), (20, 495055), (22, 450050), (25, 396044), (44, 225025), (50, 198022), (55, 180020), (100, 99011), (110, 90010), (220, 45005), (275, 36004), (550, 18002), (1100, 9001)]