279235760

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{32621}}^1$

素因数の和:32741

約数の個数: 40

約数和(自身を含む): 655310736

約数和(自身を除く): 376074976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 32621, 65242, 130484, 163105, 260968, 326210, 521936, 652420, 1304840, 2609680, 3490447, 6980894, 13961788, 17452235, 27923576, 34904470, 55847152, 69808940, 139617880, 279235760]

約数ペア:

[(1, 279235760), (2, 139617880), (4, 69808940), (5, 55847152), (8, 34904470), (10, 27923576), (16, 17452235), (20, 13961788), (40, 6980894), (80, 3490447), (107, 2609680), (214, 1304840), (428, 652420), (535, 521936), (856, 326210), (1070, 260968), (1712, 163105), (2140, 130484), (4280, 65242), (8560, 32621)]