291268508990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{1134179}}^1$

素因数の和:1134668

約数の個数: 32

約数和(自身を含む): 534144339360

約数和(自身を除く): 242875830370

約数列:

[1, 2, 5, 10, 61, 122, 305, 421, 610, 842, 2105, 4210, 25681, 51362, 128405, 256810, 1134179, 2268358, 5670895, 11341790, 69184919, 138369838, 345924595, 477489359, 691849190, 954978718, 2387446795, 4774893590, 29126850899, 58253701798, 145634254495, 291268508990]

約数ペア:

[(1, 291268508990), (2, 145634254495), (5, 58253701798), (10, 29126850899), (61, 4774893590), (122, 2387446795), (305, 954978718), (421, 691849190), (610, 477489359), (842, 345924595), (2105, 138369838), (4210, 69184919), (25681, 11341790), (51362, 5670895), (128405, 2268358), (256810, 1134179)]