172676260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{439}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 369895680

約数和(自身を除く): 197219420

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 277, 284, 355, 439, 554, 710, 878, 1108, 1385, 1420, 1756, 2195, 2770, 4390, 5540, 8780, 19667, 31169, 39334, 62338, 78668, 98335, 121603, 124676, 155845, 196670, 243206, 311690, 393340, 486412, 608015, 623380, 1216030, 2432060, 8633813, 17267626, 34535252, 43169065, 86338130, 172676260]

約数ペア:

[(1, 172676260), (2, 86338130), (4, 43169065), (5, 34535252), (10, 17267626), (20, 8633813), (71, 2432060), (142, 1216030), (277, 623380), (284, 608015), (355, 486412), (439, 393340), (554, 311690), (710, 243206), (878, 196670), (1108, 155845), (1385, 124676), (1420, 121603), (1756, 98335), (2195, 78668), (2770, 62338), (4390, 39334), (5540, 31169), (8780, 19667)]