87840778850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{2081}}^1\times {\mathrm{6977}}^1$

素因数の和:9092

約数の個数: 72

約数和(自身を含む): 179699256324

約数和(自身を除く): 91858477474

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 2081, 3025, 4162, 6050, 6977, 10405, 13954, 20810, 22891, 34885, 45782, 52025, 69770, 76747, 104050, 114455, 153494, 174425, 228910, 251801, 348850, 383735, 503602, 572275, 767470, 844217, 1144550, 1259005, 1688434, 1918675, 2518010, 3837350, 4221085, 6295025, 8442170, 12590050, 14519137, 21105425, 29038274, 42210850, 72595685, 145191370, 159710507, 319421014, 362978425, 725956850, 798552535, 1597105070, 1756815577, 3513631154, 3992762675, 7985525350, 8784077885, 17568155770, 43920389425, 87840778850]

約数ペア:

[(1, 87840778850), (2, 43920389425), (5, 17568155770), (10, 8784077885), (11, 7985525350), (22, 3992762675), (25, 3513631154), (50, 1756815577), (55, 1597105070), (110, 798552535), (121, 725956850), (242, 362978425), (275, 319421014), (550, 159710507), (605, 145191370), (1210, 72595685), (2081, 42210850), (3025, 29038274), (4162, 21105425), (6050, 14519137), (6977, 12590050), (10405, 8442170), (13954, 6295025), (20810, 4221085), (22891, 3837350), (34885, 2518010), (45782, 1918675), (52025, 1688434), (69770, 1259005), (76747, 1144550), (104050, 844217), (114455, 767470), (153494, 572275), (174425, 503602), (228910, 383735), (251801, 348850)]