1570319140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{43451}}^1$

素因数の和:43612

約数の個数: 48

約数和(自身を含む): 3576968640

約数和(自身を除く): 2006649500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 7228, 9035, 18070, 36140, 43451, 86902, 173804, 217255, 434510, 564863, 869020, 1129726, 2259452, 2824315, 5648630, 6039689, 11297260, 12079378, 24158756, 30198445, 60396890, 78515957, 120793780, 157031914, 314063828, 392579785, 785159570, 1570319140]

約数ペア:

[(1, 1570319140), (2, 785159570), (4, 392579785), (5, 314063828), (10, 157031914), (13, 120793780), (20, 78515957), (26, 60396890), (52, 30198445), (65, 24158756), (130, 12079378), (139, 11297260), (260, 6039689), (278, 5648630), (556, 2824315), (695, 2259452), (1390, 1129726), (1807, 869020), (2780, 564863), (3614, 434510), (7228, 217255), (9035, 173804), (18070, 86902), (36140, 43451)]