761840

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 40

約数和(自身を含む): 1807920

約数和(自身を除く): 1046080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 107, 178, 214, 356, 428, 445, 535, 712, 856, 890, 1070, 1424, 1712, 1780, 2140, 3560, 4280, 7120, 8560, 9523, 19046, 38092, 47615, 76184, 95230, 152368, 190460, 380920, 761840]

約数ペア:

[(1, 761840), (2, 380920), (4, 190460), (5, 152368), (8, 95230), (10, 76184), (16, 47615), (20, 38092), (40, 19046), (80, 9523), (89, 8560), (107, 7120), (178, 4280), (214, 3560), (356, 2140), (428, 1780), (445, 1712), (535, 1424), (712, 1070), (856, 890)]