279380480

素因数分解:

$2^9\times 5^1\times {\mathrm{109133}}^1$

素因数の和:109156

約数の個数: 40

約数和(自身を含む): 669864492

約数和(自身を除く): 390484012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 109133, 218266, 436532, 545665, 873064, 1091330, 1746128, 2182660, 3492256, 4365320, 6984512, 8730640, 13969024, 17461280, 27938048, 34922560, 55876096, 69845120, 139690240, 279380480]

約数ペア:

[(1, 279380480), (2, 139690240), (4, 69845120), (5, 55876096), (8, 34922560), (10, 27938048), (16, 17461280), (20, 13969024), (32, 8730640), (40, 6984512), (64, 4365320), (80, 3492256), (128, 2182660), (160, 1746128), (256, 1091330), (320, 873064), (512, 545665), (640, 436532), (1280, 218266), (2560, 109133)]