254007040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{28349}}^1$

素因数の和:28377

約数の個数: 72

約数和(自身を含む): 695368800

約数和(自身を除く): 441361760

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, 28349, 56698, 113396, 141745, 198443, 226792, 283490, 396886, 453584, 566980, 793772, 907168, 992215, 1133960, 1587544, 1814336, 1984430, 2267920, 3175088, 3628672, 3968860, 4535840, 6350176, 7257344, 7937720, 9071680, 12700352, 15875440, 18143360, 25400704, 31750880, 36286720, 50801408, 63501760, 127003520, 254007040]

約数ペア:

[(1, 254007040), (2, 127003520), (4, 63501760), (5, 50801408), (7, 36286720), (8, 31750880), (10, 25400704), (14, 18143360), (16, 15875440), (20, 12700352), (28, 9071680), (32, 7937720), (35, 7257344), (40, 6350176), (56, 4535840), (64, 3968860), (70, 3628672), (80, 3175088), (112, 2267920), (128, 1984430), (140, 1814336), (160, 1587544), (224, 1133960), (256, 992215), (280, 907168), (320, 793772), (448, 566980), (560, 453584), (640, 396886), (896, 283490), (1120, 226792), (1280, 198443), (1792, 141745), (2240, 113396), (4480, 56698), (8960, 28349)]