261673940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{7877}}^1$

素因数の和:8048

約数の個数: 48

約数和(自身を含む): 603517824

約数和(自身を除く): 341843884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 755, 1510, 1661, 3020, 3322, 6644, 7877, 8305, 15754, 16610, 31508, 33220, 39385, 78770, 86647, 157540, 173294, 346588, 433235, 866470, 1189427, 1732940, 2378854, 4757708, 5947135, 11894270, 13083697, 23788540, 26167394, 52334788, 65418485, 130836970, 261673940]

約数ペア:

[(1, 261673940), (2, 130836970), (4, 65418485), (5, 52334788), (10, 26167394), (11, 23788540), (20, 13083697), (22, 11894270), (44, 5947135), (55, 4757708), (110, 2378854), (151, 1732940), (220, 1189427), (302, 866470), (604, 433235), (755, 346588), (1510, 173294), (1661, 157540), (3020, 86647), (3322, 78770), (6644, 39385), (7877, 33220), (8305, 31508), (15754, 16610)]