655482170780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19889}}^1\times {\mathrm{86729}}^1$

素因数の和:106646

約数の個数: 48

約数和(自身を含む): 1449050148000

約数和(自身を除く): 793567977220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 19889, 39778, 79556, 86729, 99445, 173458, 198890, 346916, 377891, 397780, 433645, 755782, 867290, 1511564, 1647851, 1734580, 1889455, 3295702, 3778910, 6591404, 7557820, 8239255, 16478510, 32957020, 1724953081, 3449906162, 6899812324, 8624765405, 17249530810, 32774108539, 34499061620, 65548217078, 131096434156, 163870542695, 327741085390, 655482170780]

約数ペア:

[(1, 655482170780), (2, 327741085390), (4, 163870542695), (5, 131096434156), (10, 65548217078), (19, 34499061620), (20, 32774108539), (38, 17249530810), (76, 8624765405), (95, 6899812324), (190, 3449906162), (380, 1724953081), (19889, 32957020), (39778, 16478510), (79556, 8239255), (86729, 7557820), (99445, 6591404), (173458, 3778910), (198890, 3295702), (346916, 1889455), (377891, 1734580), (397780, 1647851), (433645, 1511564), (755782, 867290)]