314609920

素因数分解:

$2^8\times 5^1\times {\mathrm{245789}}^1$

素因数の和:245810

約数の個数: 36

約数和(自身を含む): 753592140

約数和(自身を除く): 438982220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 245789, 491578, 983156, 1228945, 1966312, 2457890, 3932624, 4915780, 7865248, 9831560, 15730496, 19663120, 31460992, 39326240, 62921984, 78652480, 157304960, 314609920]

約数ペア:

[(1, 314609920), (2, 157304960), (4, 78652480), (5, 62921984), (8, 39326240), (10, 31460992), (16, 19663120), (20, 15730496), (32, 9831560), (40, 7865248), (64, 4915780), (80, 3932624), (128, 2457890), (160, 1966312), (256, 1228945), (320, 983156), (640, 491578), (1280, 245789)]