154292780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{55501}}^1$

素因数の和:55649

約数の個数: 24

約数和(自身を含む): 326351760

約数和(自身を除く): 172058980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 55501, 111002, 222004, 277505, 555010, 1110020, 7714639, 15429278, 30858556, 38573195, 77146390, 154292780]

約数ペア:

[(1, 154292780), (2, 77146390), (4, 38573195), (5, 30858556), (10, 15429278), (20, 7714639), (139, 1110020), (278, 555010), (556, 277505), (695, 222004), (1390, 111002), (2780, 55501)]