16880498900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{821}}^1\times {\mathrm{5557}}^1$

素因数の和:6429

約数の個数: 72

約数和(自身を含む): 37673302296

約数和(自身を除く): 20792803396

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 821, 925, 1642, 1850, 3284, 3700, 4105, 5557, 8210, 11114, 16420, 20525, 22228, 27785, 30377, 41050, 55570, 60754, 82100, 111140, 121508, 138925, 151885, 205609, 277850, 303770, 411218, 555700, 607540, 759425, 822436, 1028045, 1518850, 2056090, 3037700, 4112180, 4562297, 5140225, 9124594, 10280450, 18249188, 20560900, 22811485, 45622970, 91245940, 114057425, 168804989, 228114850, 337609978, 456229700, 675219956, 844024945, 1688049890, 3376099780, 4220124725, 8440249450, 16880498900]

約数ペア:

[(1, 16880498900), (2, 8440249450), (4, 4220124725), (5, 3376099780), (10, 1688049890), (20, 844024945), (25, 675219956), (37, 456229700), (50, 337609978), (74, 228114850), (100, 168804989), (148, 114057425), (185, 91245940), (370, 45622970), (740, 22811485), (821, 20560900), (925, 18249188), (1642, 10280450), (1850, 9124594), (3284, 5140225), (3700, 4562297), (4105, 4112180), (5557, 3037700), (8210, 2056090), (11114, 1518850), (16420, 1028045), (20525, 822436), (22228, 759425), (27785, 607540), (30377, 555700), (41050, 411218), (55570, 303770), (60754, 277850), (82100, 205609), (111140, 151885), (121508, 138925)]