738205977980

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{87672919}}^1$

素因数の和:87673349

約数の個数: 24

約数和(自身を含む): 1553914834080

約数和(自身を除く): 815708856100

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 87672919, 175345838, 350691676, 438364595, 876729190, 1753458380, 36910298899, 73820597798, 147641195596, 184551494495, 369102988990, 738205977980]

約数ペア:

[(1, 738205977980), (2, 369102988990), (4, 184551494495), (5, 147641195596), (10, 73820597798), (20, 36910298899), (421, 1753458380), (842, 876729190), (1684, 438364595), (2105, 350691676), (4210, 175345838), (8420, 87672919)]