198275840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{22129}}^1$

素因数の和:22157

約数の個数: 72

約数和(自身を含む): 542804640

約数和(自身を除く): 344528800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 22129, 44258, 88516, 110645, 154903, 177032, 221290, 309806, 354064, 442580, 619612, 708128, 774515, 885160, 1239224, 1416256, 1549030, 1770320, 2478448, 2832512, 3098060, 3540640, 4956896, 5665024, 6196120, 7081280, 9913792, 12392240, 14162560, 19827584, 24784480, 28325120, 39655168, 49568960, 99137920, 198275840]

約数ペア:

[(1, 198275840), (2, 99137920), (4, 49568960), (5, 39655168), (7, 28325120), (8, 24784480), (10, 19827584), (14, 14162560), (16, 12392240), (20, 9913792), (28, 7081280), (32, 6196120), (35, 5665024), (40, 4956896), (56, 3540640), (64, 3098060), (70, 2832512), (80, 2478448), (112, 1770320), (128, 1549030), (140, 1416256), (160, 1239224), (224, 885160), (256, 774515), (280, 708128), (320, 619612), (448, 442580), (560, 354064), (640, 309806), (896, 221290), (1120, 177032), (1280, 154903), (1792, 110645), (2240, 88516), (4480, 44258), (8960, 22129)]